What is 2x+7y-3x+y-x^2 ?

The solution to 2x+7y-3x+y-x^2 is -x^2-x+8y

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simplify 2x+7y-3x+y-x^2

simplify

2 x + 7 y - 3 x + y - x^{2}

- x^{2} - x + 8 y

Solution steps

2 x + 7 y - 3 x + y - x^{2}

Group like terms

= - x^{2} + 2 x - 3 x + 7 y + y

Add similar elements:

2 x - 3 x = - x

= - x^{2} - x + 7 y + y

Add similar elements:

7 y + y = 8 y

= - x^{2} - x + 8 y

x^{- 1} - y^{- 1}

(- 5) - 3

(2 x^{- 2})^{- 4} x^{- 4}

(- 6) + 4

e^{i \cdot 0}