What is 6x^2+10x-7+(-x^2)-8x ?

The solution to 6x^2+10x-7+(-x^2)-8x is 5x^2+2x-7

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simplify 6x^2+10x-7+(-x^2)-8x

simplify

6 x^{2} + 10 x - 7 + (- x^{2}) - 8 x

5 x^{2} + 2 x - 7

Solution steps

6 x^{2} + 10 x - 7 + (- x^{2}) - 8 x

Apply rule:

a + (- b) = a - b

- 7 + (- x^{2}) = - 7 - x^{2}

= 6 x^{2} + 10 x - 7 - x^{2} - 8 x

Group like terms

= 6 x^{2} - x^{2} + 10 x - 8 x - 7

Add similar elements:

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

= 5 x^{2} + 10 x - 8 x - 7

Add similar elements:

10 x - 8 x = 2 x

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

\frac{y ^{2} - 4 y - 5}{y ^{2} + 5 y + 4}

8 \frac{2}{4} - 1 \frac{3}{4}

2^{3} - (\frac{3}{4})^{2}

x (a + b) + m (a + b)

f (x) - 3

What is 6x^2+10x-7+(-x^2)-8x ?
The solution to 6x^2+10x-7+(-x^2)-8x is 5x^2+2x-7