SOLUTION: please help me to solve this. factoring binomials. factor and check: 3r^3+81s^3 thankyou

Question 760793: please help me to solve this.
factoring binomials.
factor and check:
3r^3+81s^3
thankyou
Answer by MathTherapy(10556) (Show Source): You can put this solution on YOUR website!

please help me to solve this.
factoring binomials.
factor and check:
3r^3+81s^3
thankyou

We now need to factor the SUM OF CUBES binomial in the parentheses

Applying SUM OF CUBES factorization, we get:
You can do the check!!

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