Question

X square + 7 x + 12

Answer 1

HEY MATE HERE IS YOUR ANSWER

${x}^{2} + 7x + 12x$
So, splitting middle terms

${x}^{2} + 4x + 3x + 12x$
$x(x + 4) + 3(x + 4)$
Answer is

(x+3)(x+4)

Answer 2

hope it helped......