Problem Page Simplify. −7a3a please helppp

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asked Sep 28, 2018 155k views

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BigT · Answer 1 · 2018-10-02T15:49:28+0000

Multiply them!! First multiply the numbers.
-7*3 = -21

. But then, you have to multiply the variables. What is a times a equal to? Well, a times a is just a squared. Hence, the expression is equal to
-21 a^(2)

Problem Page Simplify. −7a3a please helppp

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