5

E. 8D. 7C.6B.5A: 4...

Question

E. 8D. 7C.6B.5A: 4

E. 8 D. 7 C.6 B.5 A: 4



Answers

a. $(-7-4)(-2)$ b. $(-7-4)-2$

So in this problem, we're being asked to multiply the binomial a ministry by the China meal a squared minus for a minus six using a vertical format. So, as you can see, I've already set up my problem that way. I personally like to put the polynomial with more terms in the top, but you can technically do whichever way you want. So just like with regular multiplication, I'm first going to take negative three and multiply it to each term in my try. No meal. So negative three times negative. Six is positive. 18 negative, three times negative for a is positive 12 day and negative three times a squared is negative. Three a square. Now we have to multiply the a term by each term in the tri no meal. And just like with regular multi cation, I'm gonna leave my first spotlight, so I'm gonna have a times negative six, which is negative. Six a. Then we have a times negative for a which is negative for a square. And then we have a times eight square, which is eight of the third. And now we have to combine like terms. And if you know this They're already written and columns for us. So I'm gonna bring down my first term eight to the third. Then we have negative three. A squared minus four A squared, which is negative. Seven a squared. Then we have 12. A minus six A, which is positive. Six a. And then we bring down that last term Positive 18. And now we've found our final it, sir.

In BCC, the doctor header the of the avoid it not possible. The couch, the couch in its crystal like this in its digital light taste at the body centered system, body centered cubic system already already BCC at them is was and so no doctor header words are presenting PCC christian so option A. Each correct.

So for this problem, we're going to distribute this three to the top part. So we're gonna get a negative 30. Then we're going to have a positive 15 K and then a 36 k squared. Bring down your zero, and then we're going to go ahead and multiply this and make sure you line it up. It's going to end up being over here at negative I k. Where'd then? We're gonna have a positive 2.5 K to the third power and then a six K to the fourth. So taking there's a zero here as well. So just line everything up and combine any like terms that you have and rewrite. In descending order, we're gonna get six K to a force plus 2.5 K to the third plus 31 K squared plus 15 K minus 30 as our final answer

In this problem, we're being asked to use distributive property to multiply the two given by no meals. Well, to do that, we have to take the first term in the first binomial, which is a and multiply it to both terms in the second binomial a minus three. Then we have to take the second term in the first binomial, which is positive and also multiply it to both terms in the second binomial a minus three. Now we have to go ahead and distribute Well, eight times a is a squared eight times negative three is negative. Three I, then we have to multiply eight times a which is positive eight A and eight times negative three, which is negative. 24. To simplify, we now need to combine any light terms which in this case, are two middle terms. So I'm gonna bring down that a square term. Then we combine negative three a plus eight A, which is positive five day and then we bring down our last term negative 24. So our final answer is a


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