Question

Factorise a(a+c) -b(b+c) ​

Answer 1

Answer:

$a^{2} + ac - {b}^{2} - bc$

${a}^{2} - {b}^{2} + ac - bc$

$(a + b)(a - b) + c(a - b)$

$(a - b)(a + b + c)$