Question

simplify :3x (x+4) -x (x-2)

Answer 1

$3x(x + 4) - x(x - 2) \\ = 3 {x}^{2} + 12x - {x}^{2} + 2x \\ = 2 {x}^{2} + 14x$
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Answer 2

3x(x+4)-x(x-2)
=3x2 + 12x -x2 + 2x
=2x2 + 10x answer