Question

x^2+7x+12 factorise​

Answer 1

Answer:

(x+3)(x+4) answer.............. .....

Answer 2

Answer:

${x}^{2} + 7x + 12 = {x}^{2} + 4x + 3x + 12 = x(x + 4) + 3(x + 4) = 0 \\ \\ (x + 3)(x + 4) = 0 \\ \\ x = - 3 \: \: \: \: \: \: \: \: \: \: \: \: x = - 4$