Question

factorise x² +7x+12​

Answer 1

Step-by-step explanation:

x^2 + 7x + 12 =0

x^2 + 4x + 3x + 12 = 0

x(x+4) +3(x+4) = 0

(x+3)(x+4) = 0

x = -3,-4

Answer 2

Factorize x²+7x+12:

=x²+(3+4)x+12

=x²+3x+4x+12

=x(x+3)+4(x+3)

=(x+3)(x+4)

hope it's helpful :)