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OpenStudy (anonymous):
solve: 5x^2=-30x-65 PLease use Quadratic formula I'm only confused when it comes to breaking down the square roots please help!
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OpenStudy (anonymous):
5x^2+30x+65 factors into 5(x^2+6+13) then you can use quadratic formula [-b(+-)sqrt(b^2-4ac)]/2a [-6(+-) sqrt(36-4(1)(13)]/2(1) -6(+-)sqrt(-16)/2 which gives you an imaginary number..
OpenStudy (anonymous):
[-6 + 4 i] /2 or [-6 - 4 i]/2
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