SOLUTION: 7. Solve the following equation in the real number system. Please show all of your work. x³+7x²+14x+8=0

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: 7. Solve the following equation in the real number system. Please show all of your work. x³+7x²+14x+8=0      Log On


   

Question 467373: 7. Solve the following equation in the real number system. Please show all of your work.
x³+7x²+14x+8=0
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E3+%2B+7x%5E2+%2B+14x+%2B+8+=+%28x%2B1%29%28x%2B2%29%28x+%2B+4%29+=+0
==> x = -1, -2, -4.