SOLUTION: I don't even understand how to simplify these type problems! Yikes! Let alone Multiply and Simplify! I can only hope someone out there can help me solve and understand the steps to

Question 102005This question is from textbook Intermediate Algebra
: I don't even understand how to simplify these type problems! Yikes! Let alone Multiply and Simplify! I can only hope someone out there can help me solve and understand the steps to solve this problem!? Thank You.
Multiply and Simplify:
(Note this problem is not from the textbook we study from).
(x^2 - x - 20) (x^2 + 7x + 10)
--------------* ---------------
(x^2 -3x -10) (x^2 + 4x -5) This question is from textbook Intermediate Algebra

Answer by mathemanic(13) (Show Source): You can put this solution on YOUR website!

First, look at the highlighted part and factorize the quadratic forms.

Therefore,

Again, look at the highlighted part and factorize them.

So now we have:

See that (x - 5) cancels (x - 5); (x + 5) cancels (x + 5); and (x + 2) cancels (x + 2), so:

and

is the simplified form.
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