-x^2-2x-10=0

Simple and best practice solution for -x^2-2x-10=0 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 -x^2-2x-10=0 equation:


Simplifying
-1x2 + -2x + -10 = 0

Reorder the terms:
-10 + -2x + -1x2 = 0

Solving
-10 + -2x + -1x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(10 + 2x + x2) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(10 + 2x + x2)' equal to zero and attempt to solve: Simplifying 10 + 2x + x2 = 0 Solving 10 + 2x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-10' to each side of the equation. 10 + 2x + -10 + x2 = 0 + -10 Reorder the terms: 10 + -10 + 2x + x2 = 0 + -10 Combine like terms: 10 + -10 = 0 0 + 2x + x2 = 0 + -10 2x + x2 = 0 + -10 Combine like terms: 0 + -10 = -10 2x + x2 = -10 The x term is 2x. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2x + 1 + x2 = -10 + 1 Reorder the terms: 1 + 2x + x2 = -10 + 1 Combine like terms: -10 + 1 = -9 1 + 2x + x2 = -9 Factor a perfect square on the left side: (x + 1)(x + 1) = -9 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| 7-15*2=r | | 7x+4+8x+4=143 | | M^2+3M-30=0 | | y(t)=-16t^2+128t+144 | | x^2-2=12x | | 15*2+7= | | 140=7(6/2n) | | 15-7*2=o | | 6a-24= | | 0=9-4u^2 | | 4g+7=-2g-1-2g | | 3*h=12 | | 2log(-2-8)=2 | | 12+3*h= | | 3*h+12= | | 14.5=13x+16(1-x) | | 14.5=13+16(1-x) | | -80=-3x | | 12+3h= | | 6a^2=78 | | (5y-3)(2y+1)=3 | | Y=-.0196x^2+1.37x | | 3x+1=30-11 | | (9y^3z^7/18y^8z)^3 | | (9x-10)-(-8x-4)= | | 4(m-2)=5m+3-m | | 3x+1+2x-1+x=180 | | X^2-36x-205=0 | | -.05x=-x+3 | | 1x-6x=25 | | 3h+12= | | Log(5x-45)=2 |

Equations solver categories