Question

a) (4 + x)2 x2
b) (2a – 3)2 = 4a – 9
c) (2x + 2y)2 = x2 + 8xy + 4y2
d) a2 – 6ab + 9b2 = (a – 2

Answer 1

a) (4 + x)2 x2

$16× + \: 4 \: \: { \times }^{2}$

b) (2a – 3)2 = 4a – 9