SOLUTION: Solve the following quadratic equations by using an optimum method. x^2 - 9x - 4 = 6 Please help. Thank you.

Algebra ->  Algebra  -> Quadratic Equations and Parabolas  -> Quadratic Equation Customizable Word Problems -> SOLUTION: Solve the following quadratic equations by using an optimum method. x^2 - 9x - 4 = 6 Please help. Thank you.      Log On

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Question 31972: Solve the following quadratic equations by using an optimum method.
x^2 - 9x - 4 = 6
Please help.
Thank you.
Answer by stanbon(48558) About Me  (Show Source):
You can put this solution on YOUR website!
Subtract "6" from both sides of the equation to get:
x^2-9x-10=0
Factor to get:
(x-10)(x+1)=0
Then either x-10=0 or x+1=0
So, either x=10 or x=-1
Cheers,
Stan H.