Question

(x-3)la 2 + 4=(x+1) (x-6)

Answer 1

(x-3)^2+4 = (x+1)×(x-6)
x^2-6x+3^2+4 = x^2-6x+x-6
x^2 se taie si -6x se taie
3^2+4 = x-6
x-6 = 13/+6
x=19

Answer 2

$(x-3)^{2}+4=(x+1)(x-6)$
$x^{2}-6x+9+4=x^{2}-6x+x-6$
$9+4=x-6$
$13=x-6$
$-x=-6-13$
$-x=-19~~~/\cdot(-1)$
$x=\fbox{19}$