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17-04-2014
Mathematics

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how do i Subtract and simplify: (11x2 + 7) – (6x2 + 3x – 3)

Respuesta :

17-04-2014

You have to remember that:

[tex](-)*(+)=(-)[/tex]

and

[tex](-)*(-)=(+)[/tex]

[tex](11x^2+7)-(6x^2+3x-3)=11x^2+7-6x^2-3x+3=5x^2-3x+10[/tex]

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