SOLUTION: Hello, I'm reviewing for a final and need some help checking this problem: Simplify each expression. Leave only positive exponents in your answers: 2xy^-3(3x^-1y^4) thank

Algebra ->  Equations -> SOLUTION: Hello, I'm reviewing for a final and need some help checking this problem: Simplify each expression. Leave only positive exponents in your answers: 2xy^-3(3x^-1y^4) thank      Log On


   

Question 195030: Hello, I'm reviewing for a final and need some help checking this problem:
Simplify each expression. Leave only positive exponents in your answers:
2xy^-3(3x^-1y^4)
thanks!
Answer by RAY100(1637) About Me  (Show Source):
You can put this solution on YOUR website!
( 2xy^-3 ) ( 3 x^-1 y^4 )
.
( 2x/y^3) ( 3 y^4 / x^1 )
.
2*3* x/x * y^4/y^3
.
6 * y ,,,,,,ANSWER
.
checking, let x=1, y=2,,subst in original and answer, both give 12 ,,,ok