SOLUTION: 2. (2x² + 3x – 1) – (5x² - 5x – 5)

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: 2. (2x² + 3x – 1) – (5x² - 5x – 5)      Log On


   

Question 321241: 2. (2x² + 3x – 1) – (5x² - 5x – 5)
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
2. (2x² + 3x – 1) – (5x² - 5x – 5)
-3x^2+8x+4
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
x=(-8+-sqrt[8^2-4*-3*4])/2*-3
x=(-8+-sqrt[64+48])/-6
x=(-8+-sqrt112)/-6
x=(-8+-10.583)/-6
x=-8+10.583)/-6
x=2.583/-6
x=-.43 ans.
x=(-8-10.583)/-6
x=-18.583/-6
x=3.1 ans.