Question

How do you factor the trinomial `a^2 - 12a +32 = 0`?

Answer 1

a = 4, 8.

Explanation:

Given, `a^2-12a+32 = 0`
`rArr a^2-4a-8a+32=0`
`rArr a(a-4)-8(a-4)=0`
`rArr (a-4)(a-8)=0`
`rArr (a-4)=0,(a-8)=0`
`rArr a=4,8`