Question

factorise 2a+6b-3(a+3b)^2

Answer 1

Can anyone tell me what does ^ sign means

Answer 2

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