SOLUTION: I do not know how to factor this. Can you help me? 4x^2-4x-8

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I do not know how to factor this. Can you help me? 4x^2-4x-8      Log On


   



Question 717221: I do not know how to factor this. Can you help me?
4x^2-4x-8

Found 2 solutions by solver91311, stanbon:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Factor out a 4, then factor . Hint: -2 plus 1 is -1 and -2 times 1 is -2.

John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism


Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
factor this. Can you help me?
4x^2-4x-8
----------
Greatest common factor: 4
-------
Factored form:
= 4(x^2 -x -2)
-----
= 4(x-2)(x+1)
===================
Cheers,
Stan H.