Question

(x+2)(x+3)-5(x+1)=(x-1)^2+6

Answer 1

(x+2)(x+3)-5(x+1)=(x-1)²+6

x²+3x+2x+6-5x-5=x²-2x+1+6

x²+1=x²-2x+1+6

x²+1=x²-2x+7

1=-2x+7

1-7=-2x

-6=-2x

$\frac{ - 6}{ - 2} = x$

3=x

x=3