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Mathematics 18 Online
OpenStudy (anonymous):

Simplify the following expression. 2x − 4y + 3x^2+ 7y − 16x

OpenStudy (mertsj):

Do you know what like terms are?

OpenStudy (anonymous):

Yes just no the best at using them

OpenStudy (anonymous):

@Mertsj

OpenStudy (mertsj):

So you know that 2x and -16x are like terms?

OpenStudy (anonymous):

yes

OpenStudy (mertsj):

You add like terms by adding their coefficients. The coefficients are 2 and -16. 2+(-16) = -14 So 2x + (-16x)=-14x

OpenStudy (mertsj):

Now you add -4y + 7y What do you get?

OpenStudy (anonymous):

3y?

OpenStudy (mertsj):

Yes. And there are no terms that are like terms with 3x^2. So the final answer is 3x^2-14x+3y

OpenStudy (anonymous):

Thanks

OpenStudy (mertsj):

yw

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