Question

Factor completely 10x2 + 2x − 8. (1 point)

Group of answer choices

2(5x − 1)(x + 4)

2(5x − 4)(x + 1)

2(5x + 2)(x − 2)

2(5x − 2)(x + 2)

Answer 1

2(5x − 4)(x + 1)

Explanation:

Answer 2

Explanation:

10x²+2x-8=0

=>10x²+10x-8x-8=0

=>10x(x+1)-8(x+1)=0

=>(10x-8)(x+1)=0

=>2(5x-4)(x+1)=0

Option B