Question

Factorise:​

a^2+3a-40​​

Answer 1

Answer:

The answer is given below

Step-by-step explanation:

${a}^{2} \: + 3a \: - 40$

${a}^{2} \: + \: 8a \: - 5a \: - 40$

$a(a \: + \: 8) \: - 5(a \: - 8)$

$(a \: - \: 5)(a \: + \: 8)$