Question

Simplify each of the following: (i) 175 x 175 + 2 x 175 x 25 + 25 x 25 (ii) 322 x 322 - 2 x 322 x 22 + 22 x 22

Answer 1

$175 \times 175 + 2 \times 175 \times 25 + 25 \\ 30627 \times 4400 \\ 134758800$
$322 \times 322 - 2 \times 322 \times 22 + 22 \times 22 \\ 103682 \times 7568 \\ 784665376$