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Mathematics, 27.05.2021 01:20 montgomerykarloxc24x

Theo completed the following steps to simplify the expression -3((5 - a) - 2a(-3 + 4a)). -3(5) - 3(-a) – 3(-2a)(-3(-3) – 3(4a))
-15 + 3a + 6a(9 - 12a)
-15 + 3a + 54a - 72a2
Explain why Theo's solution is incorrect. Then show how to correctly simplify the expression.

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Theo completed the following steps to simplify the expression -3((5 - a) - 2a(-3 + 4a)). -3(5) - 3(...

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