Question

a.(x-2)(x+1)+3x(x-3)-2(x-3x-4)
rezolvarea va roog completa

Answer 1

=x²+x-2x-2+3x²-9x-2x+6x+8=
=4x²-6x+6=
Ori lasi raspunsul asa ori poti da factor comun pe 2:
2(2x²-3x+3)

Answer 2

$x^2 + x - 2x - 2 + 3x^2 - 9x - 2x + 6x + 8 = 4x^2 - 6x + 6$