Question

Kindly answer this question​

Answer 1

Answer:

$a {}^{2} c {}^{2} + 4ac + 4 \\ \\ = a {}^{2} c {}^{2} + 2ac + 2ac + 4 \\ \\ = ac(ac + 2) + 2(ac + 2) \\ =( ac + 2)(ac + 2)$

Hope it helps!!