Question

Factor completely: 10x^2 + 2x − 8

Answer 1

10x2 + 2x − 8=
10x^2+10x-8x-8=
10x*(x+1)-8*(x+1)=
(x+1)*(10x-8)
Please tell me if you have any doubt about any step.

Answer 2

that's not one of the answe choices

Answer 3

answer*

Answer 4

(x+1)*(10x-8)=2*(x+1)*(5x-4)

Answer 5

What about that one?

Answer 6

yes thank you

Answer 7

You are welcome!

Answer 8

10x^2+2x-8
2(5x^2+x-4)
2(5x^2+5x-4x-4)
2(5x{x+1}-4{x+1})
2({5x-4}{x+1})

Answer 9

thank you too !

Answer 10

you r welcum =)