What is (-x^2+x)+(4x^2-x-1) ?

The solution to (-x^2+x)+(4x^2-x-1) is 3x^2-1

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simplify (-x^2+x)+(4x^2-x-1)

simplify

(- x^{2} + x) + (4 x^{2} - x - 1)

3 x^{2} - 1

Solution steps

(- x^{2} + x) + (4 x^{2} - x - 1)

Simplify

(- x^{2} + x) + (4 x^{2} - x - 1) : - x^{2} + x + 4 x^{2} - x - 1

= - x^{2} + x + 4 x^{2} - x - 1

Group like terms

= - x^{2} + 4 x^{2} + x - x - 1

Add similar elements:

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

= 3 x^{2} + x - x - 1

Add similar elements:

x - x = 0

= 3 x^{2} - 1

\frac{1}{s + 4} + 2

(\frac{1}{x}) d x

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(2 z - 3 k)^{4}

\frac{x ^{n}}{x ^{n - 1}}