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Mathematics 4 Online
OpenStudy (anonymous):

I need help i'm not good at these. ( 5x^2 + 2x +11) - (7 + 4x -2x^2)

OpenStudy (jbo11):

distribute the negative through the second binomial

OpenStudy (jbo11):

Don't try adding or subtracting numbers yet, but you distribute to get rid of the ( )

OpenStudy (anonymous):

so your saying make it a positive?

OpenStudy (jbo11):

and remember a negative will change + to - and - to +

OpenStudy (jbo11):

for each number you will change the sign

OpenStudy (jbo11):

( 5x^2 + 2x +11) for this part you leave alone, the second part change the + or - signs of each number

OpenStudy (anonymous):

ok thank you

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