SOLUTION: I have to solve the equation by factoring first and then applying the zero product principle. so, can someone help me solve x^3 +x^2-7x=7. any help would be appreciated.

Question 112057: I have to solve the equation by factoring first and then applying the zero product principle. so, can someone help me solve x^3 +x^2-7x=7. any help would be appreciated.
Found 2 solutions by Earlsdon, stanbon:
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Factor:
Subtract 7 from both sides.
Factor by grouping.
Factor from the first group and 7 from the second group.
Now factor the common factor of
Now apply the zero products principle.
or
If then
if then so or
The three roots are:

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
solve x^3 +x^2-7x=7
x^3+x^2-7x-7=0
x(x+1)-7(x+1)=0
(x+1)(x-7)=0
x = -1 or x=7
================
Cheerd,
Stan H.
RELATED QUESTIONS
Solve the quadratic equation by factoring and applying the zero product principle.... (answered by Earlsdon,dawnhatch)
hi i'm in college and i'm so confuse in algebra class. *Solve the quadratic equation... (answered by Algebraic)
Solve the quadratic equation below by factoring and applying the zero product principle.... (answered by ankor@dixie-net.com)
solve the polynomial equation by factoring and then using the zero product principle... (answered by Fombitz)
Solve the polynomial equation by factoring and then using the zero product principle (answered by srinivas)
solve the polynomial equation by factoring and then using the zero product principle.... (answered by tommyt3rd)
solve the polynomial equation by factoring and then using the zero product principle... (answered by mellow172)
5x^4-20x^2=0 solve the polynomial equation by factoring and then using the zero product... (answered by solver91311)
Solve the polynomial equation by factoring and then using the zero product principle. 3x (answered by Alan3354)