Question

Factorise:
a - (2a + 3b)^2​

Answer 1

Answer:

$−1(2+3)2</p><p></p><p>a-1\left(2a+3b\right)^{2}a−1(2a+3b)2</p><p></p><p>−1(2+3)(2</p><p></p><p>$

$Distribute</p><p></p><p>−1(2+3)(2+3)</p><p></p><p>a-1{\color{#c92786}{(2a+3b)(2a+3b)}}a−1(2a+3b)(2a+3b)</p><p></p><p>\ −1(2(2+3)+3(2+3))</p><p></p><p>$

$−1(2(2+3)+3(2+3))</p><p></p><p>a-1({\color{#c92786}{2a(2a+3b)}}+3b(2a+3b))a−1(2a(2a+3b)+3b(2a+3b))</p><p></p><p>−1(42+6+3(2+3))</p><p></p><p>$