X3 – 144x = x(x2 – 144) (taking x as common from whole)= x(x – 12)(x + 12) a2 – b2 = (a – b)(a + b)

Q3 of 137 Page 103

X³ – 144x =?

X³ – 144x = x(x² – 144) (taking x as common from whole)

= x(x – 12)(x + 12) a² – b² = (a – b)(a + b)

(7a² – 63b²) =?

(2x – 32x³) =?

2 – 50x²=?

a²+bc+ab+ac =?

X3 – 144x =?