Factorize:x2 + 8x + 16

Given,x2 + 8x + 16By using the formula (a + b)2 = a2 + 2ab + b2We get,= x2 + 2 × (x) × 4 + (4)2= (x + 4)2

Q1 of 137 Page 101

Factorize:
x² + 8x + 16

Given,

x² + 8x + 16

By using the formula (a + b)² = a² + 2ab + b²

We get,

= x² + 2 × (x) × 4 + (4)²

= (x + 4)²

Evaluate {(405)² – (395)²}

Evaluate {(7.8)² – (2.2)²}.

Factorize:

x² + 14x + 49

Factorize:

1 + 2x + x²