What is (-7x^2-1)+(x^2-x-5) ?

The solution to (-7x^2-1)+(x^2-x-5) is -6x^2-x-6

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simplify (-7x^2-1)+(x^2-x-5)

simplify

(- 7 x^{2} - 1) + (x^{2} - x - 5)

- 6 x^{2} - x - 6

Solution steps

(- 7 x^{2} - 1) + (x^{2} - x - 5)

Simplify

(- 7 x^{2} - 1) + (x^{2} - x - 5) : - 7 x^{2} - 1 + x^{2} - x - 5

= - 7 x^{2} - 1 + x^{2} - x - 5

Group like terms

= - 7 x^{2} + x^{2} - x - 1 - 5

Add similar elements:

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

= - 6 x^{2} - x - 1 - 5

Subtract the numbers:

- 1 - 5 = - 6

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

3 (2 x - 8) - 11 x

- (5 x^{2} + 8 x)

1.2 \cdot 1 0^{5}

\frac{2}{3 - 3}

0 + (- 12)