What is 2-3x+7x-x+2x^2+7-5 ?

The solution to 2-3x+7x-x+2x^2+7-5 is 2x^2+3x+4

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simplify 2-3x+7x-x+2x^2+7-5

simplify

2 - 3 x + 7 x - x + 2 x^{2} + 7 - 5

2 x^{2} + 3 x + 4

Solution steps

2 - 3 x + 7 x - x + 2 x^{2} + 7 - 5

Group like terms

= 2 x^{2} - 3 x + 7 x - x + 2 + 7 - 5

Add similar elements:

- 3 x + 7 x - x = 3 x

= 2 x^{2} + 3 x + 2 + 7 - 5

Add the numbers:

2 + 7 - 5 = 4

= 2 x^{2} + 3 x + 4

(3^{- 4})^{\frac{1}{2}}

(3 x - 5) (x + 2)

- 5 (5)

2 \frac{1}{4}

3.5 \cdot 1 0^{3}