SOLUTION: i pretty much understand how to muliply rational expressions but im having trouble factoring this problem out. its been a while since ive done this 4x^2/9x^2 * 12/21x^3

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: i pretty much understand how to muliply rational expressions but im having trouble factoring this problem out. its been a while since ive done this 4x^2/9x^2 * 12/21x^3      Log On


   



Question 121678: i pretty much understand how to muliply rational expressions but im having trouble factoring this problem out. its been a while since ive done this
4x^2/9x^2 * 12/21x^3

Found 2 solutions by checkley71, edjones:
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
4x^2/9x^2=4/9 cancelling out the x^2 terms.
12/21x^3=4/7x^3 dividing both numerator & denominator by 3.
4/9*4/7x^3=16/63x^3 answer.

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
4x^2/9x^2 * 12/21x^3
4/9 * 4/7x^3
=16/63x^3
ed