Question

упростите выражение 3(2x – 1)2 + 12x

Answer 1

$3(2x- 1)^2 + 12x=\3(4x^2-4x+1)+12x=\12x^2-12x+3+12x=\12x^2+3=\3(4x^2+1)$

Answer 2

3(2х-1)^2+12x= 3(4x^2-4x+1)+12x= 12x^2-12x+3+12x= 12x^2+3=3(4x^2+1)

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