SOLUTION: I need help multiplying this rational expression. x+9/x-3 * x^3-27/x^2+3x+9
Algebra.Com
Question 194479: I need help multiplying this rational expression. x+9/x-3 * x^3-27/x^2+3x+9
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression.
Factor to get . Note: use the difference of cubes formula.
Combine the fractions.
Highlight the common terms.
Cancel out the common terms.
Simplify.
So simplifies to .
In other words, where
RELATED QUESTIONS
Please help me with this fraction-
[ (x^2 + 3x + 9) / (x^2 – 9) ][ (x + 3) / (x^3 -... (answered by mananth)
Simplify the rational expression.
{{{(3/x+4)/((9)/(x^2)-16)}}}
Please help me... (answered by htmentor)
Hi! I need some help simplifying and reducing to lowest terms... (answered by Cintchr)
List all numbers for which the rational expression is undefined:
x^2 - 4/x^2 + 12x + 27. (answered by jim_thompson5910)
How do I simplify this rational expression?
(3x^2 + 9) / (x^2 -9)
(answered by DrBeeee)
I am currently taking Intermediate Algebra, I am having problems with rational... (answered by stanbon)
i need help solving this :... (answered by rfer)
What is the simplified form of:
xsqrt(3)+sqrt(27^5)+9sqrt(3x)
I tried:... (answered by lwsshak3)
{{{(3x^3)/(x^3+27) - x/(x+3) +... (answered by jim_thompson5910)