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Popular >

factor-x^2-2x-1

Solution

factor

- x^{2} - 2 x - 1

Solution

- (x + 1)^{2}

Solution steps

- x^{2} - 2 x - 1

Break the expression into groups

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

Factor out

- x

from

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

Factor out

- 1

from

- x - 1 : - (x + 1)

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

Factor out common term

(x + 1) : (x + 1) (- x - 1)

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

Factor

- x - 1 : - (x + 1)

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

Simplify

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

= - (x + 1)^{2}

Popular Examples

-2x>-8\land-3x<12

- 2 x > - 8 and - 3 x < 12

factor 6z^2-z-15 factor

6 z^{2} - z - 15

7 < - 2

-4(-2c+1)+3c=5c-28

- 4 (- 2 c + 1) + 3 c = 5 c - 28

s^2+9.78s+68.43=0

s^{2} + 9.78 s + 68.43 = 0

Frequently Asked Questions (FAQ)

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