Factorize:2x2+3x+531.9(2a-b)2-4(2a-b)-13

Given,2x2+3√5x+5 = 2x2 + 2√5x+ √5x+5= 2x (x + √5) +√5 (x+√5)= (2x+√5) (x+√5)

Q30 of 111 Page 6

Factorize:
2x²+3x+531.9(2a-b)²-4(2a-b)-13

Given,

2x²+3√5x+5 = 2x² + 2√5x+ √5x+5

= 2x (x + √5) +√5 (x+√5)

= (2x+√5) (x+√5)

Factorize:

21x²-2x+

Factorize:

5x²+20x+3

Factorize:

9(2a – b)² –4 (2a – b) – 13

Factorize:

7(x-2y)²-25(x-2y)+12