Question

Which is a factor of 8x2 – 12x – 8 ?

x + 1

x – 4

2x – 2

2x + 1

Answer 1

(x-2)
(2x+1)

Answer 2

\(8x^2–12x –8 =4(x-2)(2x+1)\)

Answer 3

You can factorize a polynomial by finding its roots. If it has the roots x_i you can write is as \[\text{constant}\cdot (x-x_0)\cdot(x-x_1)\cdot\cdots\cdot(x-x_n)\]

Answer 4

So the answer from the problem statement is:
2x + 1