SOLUTION: rational expressions. Multiply 2x^2-x-3 3x^2-11x-20 -------- * ----------- 3x^2+7x+4 4x^2-9

Algebra ->  Rational-functions -> SOLUTION: rational expressions. Multiply 2x^2-x-3 3x^2-11x-20 -------- * ----------- 3x^2+7x+4 4x^2-9       Log On


   

Question 55512This question is from textbook Beginning Algebra
: rational expressions.
Multiply
2x^2-x-3 3x^2-11x-20
-------- * -----------
3x^2+7x+4 4x^2-9 This question is from textbook Beginning Algebra

Answer by funmath(2933) About Me  (Show Source):
You can put this solution on YOUR website!
Multiply
%28%282x%5E2-x-3%29%2F%283x%5E2%2B7x%2B4%29%29%2A+%28%283x%5E2-11x-20%29%2F%284x%5E2-9%29%29
Factor, Factor, Factor. I'm using the arch or ac method. If a polynomial is in ax%5E2%2Bbx%2Bc form. Replace b with two numbers that multiply to give you a*c, but add together to give you b. Then factor by grouping.



Cancel the matching numerators and denominators:

highlight%28%28x-5%29%2F%282x%2B3%29%29
Happy Calculating!!!