SOLUTION: 1st prob. Multiply. (n^3+8)(n-4) 2nd prob. Subtract. 5x^4 + 6x^3 - 9x^2 -(-6x^4 +x^2) ___________ ______

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: 1st prob. Multiply. (n^3+8)(n-4) 2nd prob. Subtract. 5x^4 + 6x^3 - 9x^2 -(-6x^4 +x^2) ___________ ______       Log On


   

Question 750243: 1st prob.
Multiply. (n^3+8)(n-4)
2nd prob.
Subtract. 5x^4 + 6x^3 - 9x^2
-(-6x^4 +x^2)
__________________
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
Multiply:
%28n%5E3%2B8%29%28n-4%29
n%5E3%2An-4%2An%5E3%2B8%2An-4%2A8
n%5E4-4n%5E3%2B8n-32



Subtract:
+5x%5E4+%2B+6x%5E3+-9x%5E2-%28-6x%5E4%2Bx%5E2%29
+5x%5E4+%2B+6x%5E3+-9x%5E2%2B6x%5E4-x%5E2
+%285x%5E4%2B6x%5E4%29+%2B+6x%5E3+-%289x%5E2%2Bx%5E2%29
+11x%5E4+%2B+6x%5E3+-10x%5E2