SOLUTION: My question is regarding multiplying fractions and canceling out terms. The problem is (a+b)/2*(10x+2)/b^2-a^2. I have no idea where to even start because I know that I can't can

Question 266169: My question is regarding multiplying fractions and canceling out terms. The problem is (a+b)/2*(10x+2)/b^2-a^2. I have no idea where to even start because I know that I can't cancel out anything when it's in this form. Help please!
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression.

Factor to get .

Factor to get .

Combine the fractions.

Rewrite (in the denominator) as

Highlight the common terms.

Cancel out the common terms.

Simplify.

So simplifies to .

In other words,
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