Question

4(a+b)²-a²+2ab-b² factories it@#@$@$$​

Answer 1

Answer:

4(a+b)²-a²+2ab-b²

= 4( a ²+2ab+ b ²) - a²+2ab-b²

=4a ²+8ab +4b ² - a²+2ab-b²

= 3 a² +10ab + 3 b²

= 3 a² +9ab +ab + 3 b²

=3a(a+3b) +b(a+3b)

=(3a+b)(a+3b)