SOLUTION: please help me solve this equation: rewrite {{{ x^2= -3x+4 }}} in standard form. then solve the equation in standard form by graphing. write roots clearly.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equation Customizable Word Problems -> SOLUTION: please help me solve this equation: rewrite {{{ x^2= -3x+4 }}} in standard form. then solve the equation in standard form by graphing. write roots clearly.       Log On


   

Question 871014: please help me solve this equation: rewrite +x%5E2=+-3x%2B4+ in standard form. then solve the equation in standard form by graphing. write roots clearly.
Found 2 solutions by stanbon, mananth:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
x^2= -3x+4
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x^2 + 3x -4 = 0
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Factor:
(x+4)(x-1) = 0
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Roots: x = -4 and x = 1
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Graph::
graph%28400%2C400%2C-10%2C10%2C-10%2C10%2Cx%5E2%2B3x-4%29
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Cheers,
Stan H.
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Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
+x%5E2=+-3x%2B4+
+x%5E2%2B3x-4+=0

x^2+4x-x-4=0
x(x+4)-1(x+4)=0
(x+4)(x-1)=0
x=-4 OR x=1