Question

14. 6(a + 2b) - 4(a + 2b)²​

Answer 1

Answer:

6(a+2b)-4(a+2b)²

6(a+2b)-4(a+2b)(a+2b)

2(a+2b) {3-2(a+2b)}

Answer 2

$⇒\:6(a\:+\:2b)\:-\:4{(a\:+\:2b)}^{2}$

$⇒\:[6\:-\:4(a\:+\:2b)]\:(a\:+\:2b)$

$⇒\:2\:[3\:-\:2(a\:+\:2b)]\:(a\:+\:2b)$

$⇒\:2\:(3\:-\:2a\:-\:4b)\:(a\:+\:2b)$