SOLUTION: Good evening tutor, I do not understand multiplying polynomials. Could someone please help me with this problem? Multiply the following: (x/3 + 3/4)(3x/4

SOLUTION: Good evening tutor, I do not understand multiplying polynomials. Could someone please help me with this problem? Multiply the following: (x/3 + 3/4)(3x/4 - 3/5) Th

Question 94748This question is from textbook Beginning Algebra
: Good evening tutor,
I do not understand multiplying polynomials. Could someone please help me with this problem?
Multiply the following:
(x/3 + 3/4)(3x/4 - 3/5)
Thank you in advance for your help I am going crazy trying to understand this. This question is from textbook Beginning Algebra

Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Multiply the following:
*
:
We need to put each pair of fractions over a single denominator, using a common
denominator much as you do in numerical fractions:
:
Find the common denominator of the 1st pair: It would be 12, right?
= =
:
Do the same with the 2nd pair of fractions, the common denominator would be 20:
= =
:
Now we have a single fraction times a single fraction
*
:
FOIL the numerators:
=
:
Factor out 3 in the numerator, then cancel it into the denominator:
= ; that's about all you can do with this
:
Did this help you understand this?
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