Gothicgirl7724 Gothicgirl7724

25-10-2016
Mathematics

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Combining like terms in a quadratic expression.... simplify -11x^2 - 3x - 7x^2 + 9 + 8x HELP PLEASE! AND A FEW OTHERS!

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xxmaskiexxx xxmaskiexxx

26-10-2016

The answer is 4x^2 +5x+9

You will first solve the same variables such as x^2

11x^2 - 7x^2 = 4x^2

now you will solve the variables with x

-3x +8x = 5x

so the answer you will get will be 4x^2 +5x = 9

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