Question

factorise X square + 12 x + 20​

Answer 1

x^2+12x+20

By splitting middle term-

=x^2+2x+10x+20

=x (x+2)+10 (x+2)

=(x+2)(x+10)

HOPE IT WILL HELP ✌ ✌ ❤

Answer 2

${x}^{2} + 10x + 2x + 20 \\ x(x + 10) + 2(x + 10) \\ (x + 2)(x + 10) \\ x = - 2 \: or \: - 10$