SOLUTION: Can you help me with this problem? 3x^2 - 6x - 3 = 12 - 6x

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Can you help me with this problem? 3x^2 - 6x - 3 = 12 - 6x      Log On


   

Question 115020: Can you help me with this problem?

3x^2 - 6x - 3 = 12 - 6x
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
3X^2-6X-3=12-6X
3X^2-6X+6X-3-12=0
3X^2-15=0
3(X^2-5)=0
USING THE QUADRATIC EQUATION WE GET:
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
X=(0+-SQRT[0^2-4*1*-5])/2*1
X=(+-SQRT20)/2
X=(+-4.47)/2
X=+-2.235 ANSWERS.