Question

Factorise a²-4a-32 pls tell guys​

Answer 1

Answer:

a² -4a - 32 = (a+4)(a-8)

Explanation:

a²-4a-32

{Product = -32 , Sum = -4  , Numbers = 4×-8 = 32 , 4 -8 = -4 so 4 and -8}

a² -8a + 4a -32

= (a²+4a)+(-8a-32)

= a(a+4) - 8(a+4)

= (a+4)(a-8)