SOLUTION: PLEASEEE I NEED HELP WITH THIS ONE> Quadratic equation....please dont say 2.665 and -2.65. BUt here is the equation 18x^2-128 (FOIL)(WITH 4 SPACES)I THINK. pleasehelp it is f

Question 293152: PLEASEEE I NEED HELP WITH THIS ONE> Quadratic equation....please dont say 2.665 and -2.65. BUt here is the equation
18x^2-128
(FOIL)(WITH 4 SPACES)I THINK. pleasehelp it is for carneigie learning online. I am a freshman and this is the only problem i cant figure out
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression.

Factor out the GCF .

Now factor to get (use the difference of squares formula)

So factors to

In other words,
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