Question

Factorise a^2+5a-6 step by step​

Answer 1

$= {a}^{2} + 5a - 6 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ = {a}^{2} + 6a - a - 6 \: \: \: \: \: \: \: \: \: \\ = a(a + 6) \: - 1(a + 6) \\ = (a + 6) \: (a - 1) \: \: \: \: \: \: \: \: \: \: \:$