Question

4(3a*b)^2-9(a-2b)^2 factorise

Answer 1

$4(3a - b)^{2} - 9(a - 2b)^{2}$

$= (2(3a - b))^{2} - (3(a - 2b))^{2}$

$= (6a - 2b)^{2} - (3a - 6b)^{2}$

$= (6a - 2b + 3a - 6b)(6a - 2b - 3a + 6b)$

$= (9a - 8b)(3a + 4b)$

$<marquee>Hope it helps you... please mark this answer as the brainliest and follow me... </marquee>$