Question

How do you factor `40x ^ { 2} + 54x - 16`?

Answer 1

`2(4x-1)(5x+8)`

Explanation:

Given, `40x^2+54x-16`
`rArr 2(20x^2+27x-8)`
`rArr 2(20x^2+32x-5x-8)`
`rArr 2[4x(5x+8)-1(5x+8)]`
`rArr 2(4x-1)(5x+8)`