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Mathematics 11 Online
OpenStudy (anonymous):

please will someone tell me if this is correct (4x^2-3x+7)-(-3x^2+4x-6) 4x^2-3x+7 -3x^2+4x-7 -------------- 7x^2-x+13 7x^2=(7x)(x) 13=(-1)(-13) 7(x-1)(x-13)

OpenStudy (anonymous):

yo him

OpenStudy (anonymous):

I posted my question

OpenStudy (chaise):

This is half way there.. Have a look at your method of subtraction. A negative minus a positive equals a negative. 7x^2- 7x +13. This can then be factorised down some more if need be.

OpenStudy (anonymous):

so then the answer would be 7x^2-7x+13?

OpenStudy (chaise):

Correct. :)

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