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Licemer1 [7]
3 years ago
13

Problem Page Simplify. −7a3a please helppp

Mathematics
1 answer:
nalin [4]3 years ago
5 0
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}
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