SOLUTION: (3x^2 + 4x � 3) + (2x^2 � 3x -1) � (x^2 + x + 7) I just do not get this. I do not understand any algebra at all. It might as well be Chineese. I am in my 5th week of 10 and am fa

Question 203014: (3x^2 + 4x � 3) + (2x^2 � 3x -1) � (x^2 + x + 7)
I just do not get this. I do not understand any algebra at all. It might as well be Chineese. I am in my 5th week of 10 and am failing. I need to pass this class. I need ti understand. The light just won't go on?
Please help, Angela
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
When we want to add two variable expressions like "x" and "2x", what we're really doing is adding the coefficients. So x+2x=3x. Remember "2x" is the same as "x+x". So x+2x=x+x+x=3x

Start with the given expression.

Distribute

Group like terms.

Combine like terms.

So

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