Question

Factorize the following expressions:

(i) 25x2– 64y2.

(ii) x2+ 5x + 6

step by step​ fast

Answer 1

Answer:

x = -3 or x = -2

Step-by-step explanation:

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