Question

M = (2x-2)(x+3)-2(x+1)^2

Answer 1

\(M=2x^2+6x-2x-6-2\left(x^2+2x+1\right)=2x^2+4x-6-2x^2-4x-2=-6-2=-8\)

Answer 2

\(=2x^2+6x-2x-6-2x^2-4x-2=-8\)