Question
Answers
105
Explanation:
This is a
#color(blue)"multiplication"# problem.What we have here is.
#3xx(-5)xx(-7)# We need to know the facts about multiplication of integers.
That is.
# •"positive "xx" positive"="positive"#
#• "negative" xx "negative"="positive"#
#• "negative" xx "positive"="negative"#
#• "positive" xx "negative" ="negative"# Using these facts on the problem.
#3xx-5=-15larr" first pair of numbers"# Now
#-15xx-7=105larr" complete product"#
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