Question

how do i factor out 2x^2-1

Answer 1

you can't really factor this out.

Answer 2

you do know that
2x^2-1 is like
2x^2-1^2

but you don't have the form of "a^2-b^2" b/c "2x^2" is NOT a perfect square.

Answer 3

so i couldnt make it (2x+1)(x-1) ?

Answer 4

Oh, yeah ...

You got me there !

Answer 5

\(\Huge\color{blue}{ \sf ☠ }\)

Answer 6

but that would be
2x^2-x-1 ?

Answer 7

Oh.. yeah I forgot, ty @Zale101

Answer 8

you were right at the first time Solomon :)

Answer 9

yeah I realized that....

Answer 10

\(\Huge\color{blue}{ \sf I~~would~~ ✂ ~~my~~homework... }\)

Answer 11

haha nice

Answer 12

tnx.

Answer 13

ah i read my problem wrong and didnt even need to factor, thanks anyways though!

Answer 14

No problem, even though it cannot be factored you can still solve it by setting it up to zero

Answer 15

equal zero*