Question

Factorize 9a^2 - 64b^2 - 3a + 8b.​

Answer 1

Answer:

9a^2-64b^2-3a+8b

={(3a)^2-(8b)^2}-(3a-8b)

=(3a+8b)(3a-8b)-(3a-8b)

=(3a-8b){(3a+8b)-1}

=(3a-8b)(3a+8b-1)