What is (-x^2+2)+(3x^2-7x+8) ?

The solution to (-x^2+2)+(3x^2-7x+8) is 2x^2-7x+10

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simplify (-x^2+2)+(3x^2-7x+8)

simplify

(- x^{2} + 2) + (3 x^{2} - 7 x + 8)

2 x^{2} - 7 x + 10

Solution steps

(- x^{2} + 2) + (3 x^{2} - 7 x + 8)

Simplify

(- x^{2} + 2) + (3 x^{2} - 7 x + 8) : - x^{2} + 2 + 3 x^{2} - 7 x + 8

= - x^{2} + 2 + 3 x^{2} - 7 x + 8

Group like terms

= - x^{2} + 3 x^{2} - 7 x + 2 + 8

Add similar elements:

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

= 2 x^{2} - 7 x + 2 + 8

Add the numbers:

2 + 8 = 10

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

\frac{5}{90}

8 + 27 n^{3}

12 \cdot 5

(- 4 a + b) (4 a + b)

What is (-x^2+2)+(3x^2-7x+8) ?
The solution to (-x^2+2)+(3x^2-7x+8) is 2x^2-7x+10