x^2+x-4=-2

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


Simplifying
x2 + x + -4 = -2

Reorder the terms:
-4 + x + x2 = -2

Solving
-4 + x + x2 = -2

Solving for variable 'x'.

Reorder the terms:
-4 + 2 + x + x2 = -2 + 2

Combine like terms: -4 + 2 = -2
-2 + x + x2 = -2 + 2

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

Factor a trinomial.
(-2 + -1x)(1 + -1x) = 0

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 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 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Solution

x = {-2, 1}

See similar equations:

| 3x-5-7x+11= | | 8(-5+1.25x)-105(0.6x+1)= | | X+(x+66)=314 | | 6+3(2z-5)-3(4z+4)-6= | | 6t(5t-6)(6t-1)=0 | | C=200+3 | | 3+3(2x-3)-3(4x+6)-9= | | 4+3(2r-7)-3(4r+7)-6= | | 3,056,890,000-15,000,000,00x=3,000,000,000 | | 2(5k+4)-12k+9+4= | | 3m/(2/3)=7 | | 6x-5y=-7 | | x^2-14+33=9 | | (5c-30)(30c-5)=0 | | 5x-67=70 | | s=6-(3/7) | | (5r+11)(r+10)=0 | | 12x^2-18x=6x-18x^2 | | 50.24x=445 | | 0=t(t+3) | | (s+18)(s-21)=0 | | ((3x)2-10)/4=56 | | 7.5+0.5x=(3/4)*x+0x | | [-8]= | | (10)= | | (-8)= | | x^2-6x+8=-10 | | 7+3x=5x-11 | | 8x+25i=32+5yi | | A=1000(1.00625)40 | | y=240+3x+-.1x^2 | | 14.95+0.13m=-15+.39m |

Equations solver categories