Question

(x+3) (x-2) -(x+4) (x-1) = 3x

Answer 1

Ответ:

$x=-0,4$

Объяснение:

$(x+3)(x-2)-(x+4)(x-1)=3x\\x^2+3x-2x-6-(x^2+4x-x-4)=3x\\x^2+x-6-(x^2+3x-4)=3x\\x^2+x-6-x^2-3x+4=3x\\-2x-2=3x\\-2x-3x=2\\-5x=2\\x=-\frac{2}{5}\\x=-0,4$