SOLUTION: Solve x2=-3x+7 using the quadractic formula?
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Question 330422: Solve x2=-3x+7 using the quadractic formula?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
The given equation can be solved using the quadratic formula. I have no idea what a quadractic formula is.
For a quadratic equation in standard form, namely:
the solutions are:
So, put the equation into standard form:
For your equation:
, 
, and 
Just plug the values into the formula and do the arithmetic:
\ \pm\ \sqrt{(3)^2\ -\ 4(1)(-7)}}{2(1)})
John
My calculator said it, I believe it, that settles it
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