Moved Post - Combining like terms

maddkitty77 said:
how about this one! 20 Xsquared + 30X - Xsquared - X
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You should start a new thread with a new problem.

You have:

20 x2 + 30 x - x2 - x

You'll need to re-arrange terms so that combining becomes easy. You have x2 terms and x terms. So put those together like thus:


20 x2 - x2 + 30 x - x

You have 20 x2 - x2 → how many x2 is that

and

You have 30 x - x→ how many x is that

Now put all those together....
 
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