(7a2 – 63b2) = 7(a2 – 9b2) (taking 7 as common from whole)= 7(a – 3b)(a + 3b) a2 – b2 = (a – b)(a + b)

Q1 of 137 Page 103

(7a² – 63b²) =?

(7a² – 63b²) = 7(a² – 9b²) (taking 7 as common from whole)

= 7(a – 3b)(a + 3b) a² – b² = (a – b)(a + b)

Factorize:

6x² – 17x – 3

Factorize:

7x² – 19x – 6

(2x – 32x³) =?

X³ – 144x =?

(7a2 – 63b2) =?