What is (2x^2+7x)+(-x^2+10x+3) ?

The solution to (2x^2+7x)+(-x^2+10x+3) is x^2+17x+3

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simplify (2x^2+7x)+(-x^2+10x+3)

simplify

(2 x^{2} + 7 x) + (- x^{2} + 10 x + 3)

x^{2} + 17 x + 3

Solution steps

(2 x^{2} + 7 x) + (- x^{2} + 10 x + 3)

Simplify

(2 x^{2} + 7 x) + (- x^{2} + 10 x + 3) : 2 x^{2} + 7 x - x^{2} + 10 x + 3

= 2 x^{2} + 7 x - x^{2} + 10 x + 3

Group like terms

= 2 x^{2} - x^{2} + 7 x + 10 x + 3

Add similar elements:

2 x^{2} - x^{2} = x^{2}

= x^{2} + 7 x + 10 x + 3

Add similar elements:

7 x + 10 x = 17 x

= x^{2} + 17 x + 3

3 f + 3 g

(- 8 - 9 i)^{2}

\frac{30}{40}

(n^{2} - 3 n + 1) (2 n + 3)

(y + \frac{1}{4})^{2}

What is (2x^2+7x)+(-x^2+10x+3) ?
The solution to (2x^2+7x)+(-x^2+10x+3) is x^2+17x+3