What is (5x^2-4x+7)+(-4x^2+3x-5) ?

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

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simplify (5x^2-4x+7)+(-4x^2+3x-5)

simplify

(5 x^{2} - 4 x + 7) + (- 4 x^{2} + 3 x - 5)

x^{2} - x + 2

Solution steps

(5 x^{2} - 4 x + 7) + (- 4 x^{2} + 3 x - 5)

Simplify

(5 x^{2} - 4 x + 7) + (- 4 x^{2} + 3 x - 5) : 5 x^{2} - 4 x + 7 - 4 x^{2} + 3 x - 5

= 5 x^{2} - 4 x + 7 - 4 x^{2} + 3 x - 5

Group like terms

= 5 x^{2} - 4 x^{2} - 4 x + 3 x + 7 - 5

Add similar elements:

5 x^{2} - 4 x^{2} = x^{2}

= x^{2} - 4 x + 3 x + 7 - 5

Add similar elements:

- 4 x + 3 x = - x

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

Subtract the numbers:

7 - 5 = 2

= x^{2} - x + 2

\frac{9}{10} - \frac{3}{10}

- 35 \div 5

45 x^{3} z + 9 x^{5} y^{3}

12 c^{3} d - 15 c^{2} d + 3 c d

2 - \frac{x}{x - 1}

What is (5x^2-4x+7)+(-4x^2+3x-5) ?
The solution to (5x^2-4x+7)+(-4x^2+3x-5) is x^2-x+2