-1-(-5x)-2x+2x^2+7=???????

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-1-(-5x)-2x+2x^2+7=???????????

Guest Jan 14, 2015

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Best Answer

$$\\-1-(-5x)-2x+2x^2+7\\
=-1--5x-2x+2x^2+7\\
=-1+5x-2x+2x^2+7\\
=2x^2+5x-2x+7-1\\
=2x^2+3x+6$$

Melody Jan 14, 2015

Melody · Answer 1 · 2015-01-14T07:08:59

$$\\-1-(-5x)-2x+2x^2+7\\
=-1--5x-2x+2x^2+7\\
=-1+5x-2x+2x^2+7\\
=2x^2+5x-2x+7-1\\
=2x^2+3x+6$$

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