Question

Factorise the following, using the identity x2 + (a + b)x + ab = (x + a)(x + b):
please tell me i will mark your answer as Brainlist.... i want all questions solution in notebook so please solve in the notebook ​

Answer 1

Answer:

(a)

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