Question

resolva a equação:
(3x+1)2 + (x-2)(x+1)= -1

Answer 1

9x2+6x +2+ x2+x-2x-2+1=0
10x^2+4x+1

Answer 2

(3x+1)2 + (x-2)(x+1)= -1
4x.2+(-2x).1x=-1
4x.2-2x.1x=-1
8x-2x.1x=-1
8x.2x=-1
6x=-1(-1)
-6x=1
x=1/-6
x=0,16