SOLUTION: Simplify (4x^2+6x+7)+(2x^2-9x+1)

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Simplify (4x^2+6x+7)+(2x^2-9x+1)      Log On


   



Question 114896: Simplify (4x^2+6x+7)+(2x^2-9x+1)
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
4X^2+6X+7
2X^2-9X+1 NOW ADD.
-----------------------
6X^2-3X+8
IF YOU NEED TO SOLVE THEN USE THE QUADRATIC EQUATION:
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29
X=(3+-SQRT[-3^2-4*6*8])/2*6
X=(3+-SQRT{9-192])/12
X=(3+-SQRT-183)/12
X=(3+-13.53i)/12
X=3/12+13.53i/12
X=.25+1.128i ANSWER.
X=.25-1.128i ANSWER.