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Popular >

factor 2x-x^2-1

Solution

factor

2 x - x^{2} - 1

Solution

- (x - 1)^{2}

Solution steps

2 x - x^{2} - 1

Write in the standard form

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

Factor out

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

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

Factor

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

= - (x - 1) (x - 1)

Apply exponent rule:

aa = a^{2}

(x - 1) (x - 1) = (x - 1)^{2}

= - (x - 1)^{2}

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Frequently Asked Questions (FAQ)

What is factor 2x-x^2-1 ?
The solution to factor 2x-x^2-1 is -(x-1)^2