SOLUTION: I am having to multiply the fractions, please show me how to do this.
2x^2-x-3 3x^2-11x-20
________ x ___________
3x^2+7x+4 4x^2-9
I really need the help, thanks
Algebra.Com
Question 85471This question is from textbook algebra
: I am having to multiply the fractions, please show me how to do this.
2x^2-x-3 3x^2-11x-20
________ x ___________
3x^2+7x+4 4x^2-9
I really need the help, thanks
This question is from textbook algebra
Found 2 solutions by Earlsdon, jim_thompson5910:
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Multiply:
It is often helpful to factor the numerators and the denominators, if possible, and cancel like-factors.
Cancel like-factors as indicated, leaving you with:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression
Factor the first numerator (note: if you need help with factoring, check out this solver)
Factor the first denominator
Factor the second numerator
Factor the second denominator
Notice we have these common terms
They divide and cancel out
Leaving you with this:
So the expression
simplifies to
As always, we can verify our answer. We can graph the original expression
as a function of y like this
graph of
and graph the simplified result
graph of
Since they produce the same graphs, this means they are equivalent. Since they are equivalent, this means that our answer has been verified.
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