0=-x^2-2x-1

Simple and best practice solution for 0=-x^2-2x-1 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 0=-x^2-2x-1 equation:


Simplifying
0 = -1x2 + -2x + -1

Reorder the terms:
0 = -1 + -2x + -1x2

Solving
0 = -1 + -2x + -1x2

Solving for variable 'x'.

Combine like terms: 0 + 1 = 1
1 + 2x + x2 = -1 + -2x + -1x2 + 1 + 2x + x2

Reorder the terms:
1 + 2x + x2 = -1 + 1 + -2x + 2x + -1x2 + x2

Combine like terms: -1 + 1 = 0
1 + 2x + x2 = 0 + -2x + 2x + -1x2 + x2
1 + 2x + x2 = -2x + 2x + -1x2 + x2

Combine like terms: -2x + 2x = 0
1 + 2x + x2 = 0 + -1x2 + x2
1 + 2x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
1 + 2x + x2 = 0

Factor a trinomial.
(1 + x)(1 + x) = 0

Subproblem 1

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {-1, -1}

See similar equations:

| (5x^5/y^3)(6x^8y^5) | | 6x-14x+16=(-27)+11 | | -6x+7=(-47) | | 800=325log(4t+2) | | 2w-3(w+7)= | | 2x^2-2xy+5y^2=6 | | 10x(x+5)=0 | | 3d+0.33(6+3d)=-10 | | 3d+1/3(6+3d)=-10 | | -(3w-5)-3w= | | x+2(x+2)=17 | | 3x^2+60x+100=0 | | 0.90x+0.05(16-x)=0.10(-94) | | 4w+8-2w-3= | | (X-6)(2x-4)=0 | | 3-2(x-5)=4x+1 | | 3(q-8)+6(q-12)=12 | | a^9b^6-a^5b^4+a^4b^7-a^4b^4= | | W^-2/w^6 | | 7y+49=6x-30 | | (x^2y^-3z^2)/(3x^-12y^8)^-1 | | 9x-(4x-9)=4+4x | | 4-3(t-8)=2t-7 | | 5(x+7)=10+3x-3 | | x^2+3x-8+8k=0findk | | (3x-5)(x+9)=0 | | -2(17x-7)+7(5x-7)-7=5-4 | | -3x^2+6x=2 | | 12x+25=35 | | 6(x+5)=9+2x-3 | | 4+4=28 | | x/8-3=11 |

Equations solver categories