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Mathematics 7 Online
OpenStudy (anonymous):

Find the difference. (9x2 + 10x + 4) - (9x2 + 5x - 1) 5x + 5 15x + 3 x2 + 5x + 5 x2 + 15x + 3

OpenStudy (anonymous):

A, would you like me to explain?

OpenStudy (anonymous):

yes please

OpenStudy (anonymous):

correct

OpenStudy (anonymous):

Just remove the parenthesis and subtract.

OpenStudy (anonymous):

oh i see now

OpenStudy (anonymous):

Sorry yah @secret88 is correct you distribute the negative sign and that makes is (9x2 + 10x + 4) + ( -9x2 - 5x + 1)

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