SOLUTION: For the polynomial given below completely factor it over the real numbers. x^3 + 9x^2 + 9x + 8

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: For the polynomial given below completely factor it over the real numbers. x^3 + 9x^2 + 9x + 8      Log On


   

Question 917253: For the polynomial given below completely factor it over the real numbers. x^3 + 9x^2 + 9x + 8
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

+x%5E3+%2B+9x%5E2+%2B+9x+%2B+8....write 9x%5E2+ as x%5E2%2B8x%5E2+ and 9x+ as x%2B8x+

x%5E3%2Bx%5E2%2Bx%2B8x%5E2%2B8x%2B8 ....group

%28x%5E3%2Bx%5E2%2Bx%29%2B%288x%5E2%2B8x%2B8%29

x%28x%5E2%2Bx%2B1%29%2B8%28x%5E2%2Bx%2B1%29

%28x%2B8%29%28x%5E2%2Bx%2B1%29