Question

Please factorise this expression with step by step explanation
${ 4(a + b) }^{2} \: - \: 8(a + b) \: + 3$
​

Answer 1

I hope it will help

Answer 2

Answer:

4a² +4b²+8ab -8a-8b +3

Step by step explanation:

4(a+b)² - 8(a+b) +3

As we know that;

(a+b)² = a²+ 2ab+ b²

Therefore; the eq will be

=4( a²+ 2ab+ b²) - 8 (a+b) +3

=4² + 8ab+4b²-8a-8b +3

= 4a² +4b²+8ab -8a-8b +3