What is 5x^2+7-4x^2+5x-2 ?

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

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simplify 5x^2+7-4x^2+5x-2

simplify

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

x^{2} + 5 x + 5

Solution steps

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

Group like terms

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

Add similar elements:

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

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

Subtract the numbers:

7 - 2 = 5

= x^{2} + 5 x + 5

\frac{x}{2} + \frac{5}{2}

125 m^{3} - 64 n^{3}

ln (\frac{x - 1}{x})

2 \frac{1}{2} + 1

(x^{2} - x - 3)^{2}