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3 years ago

Express 4x^2 − 12x in the form (2x + a)^2 + b.

1 answer:

gladu [14]3 years ago

8 0

Answer: $(2x-3)^2-9\\$

a=-3

b=-9

Step-by-step explanation:

$4x^2-12x=(2x)^2-2*2x*3+9-9\\=(2x-3)^2-9\\$

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