Question

Exercise 7.3 (Cor
Factorise the following.
(1) x² + 5x+6​

Answer 1

Answer:

clearly

${x}^{2} + 5x + 6 = 0 \\ {x}^{2} + 3x + 2x + 6 =0 \\ x(x + 3) + 2(x + 3) = 0 \\ x + 3 = 0 \: \: \: x + 2 = 0 \\ x = - 3 \\ x = - 2$

Answer 2

Answer:

(x+2)(x+3)

Step-by-step explanation:

=x²+ 2x+3x+ 6

= x(x+2) +3(x+2)

= (x+2)(x+3)