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quick algebra I problem help!

post #1 of 3
8/9/07 at 4:38pm
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2x^2 -7x -4

first part is "two x squared"

can anyone reverse foil this for me? im tryin to help someone out in math and i cant even do this Algebra 1 problem!
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post #2 of 3
8/9/07 at 5:07pm

Re: quick algebra I problem help!

Just use the quadratic formula and solve for the roots.

(-b +- sqrt(b^2-4ac))/2a

In this case it comes out to be 4 and -0.5

J
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post #3 of 3
8/11/07 at 8:30am

Re: quick algebra I problem help!

(2x+1)(x-4)
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