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3 years ago

How i can do this step by step If y= (x+3)^2, then (-2x-6)^2

Mathematics

1 answer:

zhenek [66]3 years ago

3 0

$(-2x-6)^2=(-2(x+3))^2=(-2)^2\cdot(x+3)^2=4(x+3)^2=4y$

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