SOLUTION: need help with quadratic problem 4x^2 + 27x -7

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We need factors that when multiplies give us: (4*-7)=-28
We also need factors that when added up give us: +27
These factors are: +28,-1














Thus we get,
(x+7)=0 AND (4x-1)=0


Resulting values of x becoming,
x=-7 AND x=(1/4)


Solution set={-7,1/4}

Hope this helps,
best of luck