What is 2x^2+6x-5-7x^2+3x+4 ?

The solution to 2x^2+6x-5-7x^2+3x+4 is -5x^2+9x-1

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simplify 2x^2+6x-5-7x^2+3x+4

simplify

2 x^{2} + 6 x - 5 - 7 x^{2} + 3 x + 4

- 5 x^{2} + 9 x - 1

Solution steps

2 x^{2} + 6 x - 5 - 7 x^{2} + 3 x + 4

Group like terms

= 2 x^{2} - 7 x^{2} + 6 x + 3 x - 5 + 4

Add similar elements:

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

= - 5 x^{2} + 6 x + 3 x - 5 + 4

Add similar elements:

6 x + 3 x = 9 x

= - 5 x^{2} + 9 x - 5 + 4

Add the numbers:

- 5 + 4 = - 1

= - 5 x^{2} + 9 x - 1

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

\frac{3}{4} x^{4}

0. 8^{7}

(1) (- 1)

- x - \frac{2}{3} x - \frac{1}{6} x