-x^2=-4x-5

Simple and best practice solution for -x^2=-4x-5 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=-4x-5 equation:


Simplifying
-1x2 = -4x + -5

Reorder the terms:
-1x2 = -5 + -4x

Solving
-1x2 = -5 + -4x

Solving for variable 'x'.

Reorder the terms:
5 + 4x + -1x2 = -5 + -4x + 5 + 4x

Reorder the terms:
5 + 4x + -1x2 = -5 + 5 + -4x + 4x

Combine like terms: -5 + 5 = 0
5 + 4x + -1x2 = 0 + -4x + 4x
5 + 4x + -1x2 = -4x + 4x

Combine like terms: -4x + 4x = 0
5 + 4x + -1x2 = 0

Factor a trinomial.
(5 + -1x)(1 + x) = 0

Subproblem 1

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

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 = {5, -1}

See similar equations:

| 1=5-4p-8 | | x+72=9x | | 4(x-8)+2=2(x-4) | | -3x^2+18x+1=0 | | 22-r=-16 | | 80=(x+8)(x+2) | | 15(9+6x)+18= | | 325+5x=2825 | | 14=-y | | 6a-16=8a+28 | | 0.5s+1=7+4.5s | | -8(r+8)+8(1-7r)=8 | | 3/8=15/9 | | 6(5m+2)=-3(8m+6) | | (12x-28)=(7x+12) | | 2.4t=6 | | (8+u)(4u+6)=0 | | 0.1666= | | 4x^2-10x=2x | | 4(3x)=8(x-4) | | 2xy+5y=3x-3 | | 12x^2-44x+22=0 | | -48=12r | | x-100=2 | | x-1=2(x-4) | | 3x=2y+14 | | 7=5h | | 7p=700 | | 2m^2-6m=-10 | | 7{x+4}=49 | | y=2cos(3x-7) | | [10n-7]=[n] |

Equations solver categories