Question

Factorize: 9(2a-b)^2 - 4(2a-b)^2 - 13

Answer 1

$\huge\bold\red{answer:-}$

9x²-4x-13------------------------1

By factorising method

9x²-13x+9x-13

x×(9x-13)+1×(9x-13)

(x+1)(9x-13)

From Equation 1

[2a-b+1][9×(2a-b)-13]

[2a-b+1][18a-9b-13]