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

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

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

simplify

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

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

Solution steps

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

Add similar elements:

5 x - 7 x = - 2 x

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

Group like terms

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

Add similar elements:

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

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

Add the numbers:

3 + 2 = 5

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

20 \cdot lo g_{10} (10)

\frac{6}{25}

\frac{6}{2 x ^{2}} + \frac{x}{x ^{2} - x}

- 7 \frac{2}{3} + (- 5 \frac{1}{2}) + 8 \frac{3}{4}

\frac{\frac{c ^{2} - 4}{c + 3}}{\frac{c + 2}{3 ( c ^{2} - 9 )}}