Mathematics, 03.10.2019 12:50 josephraven7942

Who is correct? explain your reasoning.

alejandra: 2a2b(−2ab3)−2 = (2a2b)(−2ab3)2
= (2a2b)(−2)2a2(b3)2
= (2a2b)22a2b6 = 8a4b7

kyle: 2a2b(−2ab3)−2=2a2b(−2)−2a(b3)−2
= 2a2b(4ab−6)
= 2a2bb64a
= ab72

Answers: 1

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You know the right answer?

Who is correct? explain your reasoning.

alejandra: 2a2b(−2ab3)−2 = (2a2b)(−2ab3)2