Question

X^2+nx+ m = (X-q) (x+5)porfa ​

Answer 1

Hola!

$X^2+nx+m=\left(X-q\right)\left(x+5\right)\quad :\quad x=\frac{5X-5q-X^2-m}{n-X+q};\quad \:n\ne \:-q+X$