-x^2+4=2

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


Simplifying
-1x2 + 4 = 2

Reorder the terms:
4 + -1x2 = 2

Solving
4 + -1x2 = 2

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + -1x2 = 2 + -4

Combine like terms: 4 + -4 = 0
0 + -1x2 = 2 + -4
-1x2 = 2 + -4

Combine like terms: 2 + -4 = -2
-1x2 = -2

Divide each side by '-1'.
x2 = 2

Simplifying
x2 = 2

Take the square root of each side:
x = {-1.414213562, 1.414213562}

See similar equations:

| 20-(3y)5+7(6)=1 | | B(x)=30.00-0.10x | | 0.2z=0.2 | | sin(x+9)=cos(x+5) | | 0.2z=0.3 | | (x)=30.00-0.10x | | 5a=35.5 | | x^2+3xy-y^3=4x | | x^2-12x+k=0 | | -174+5x+3x^2=0 | | 4.0x-3.60x=4 | | 15x^3+12x^2-6x=0 | | 100=2*5x | | x-1/8=-2/4 | | F(x)=X^3+3x^3-14x-20 | | 4a+1 = 12a+3 | | 6x+(9y-9y)=6x+0 | | 6g+2(-8+2g)=10g | | (sqrt)x=10 | | a+17=25 | | 4t^3+3t^2+7t-2=0 | | X^2+11x+10x= | | sqrtx=10 | | A=3.14r^2(12.86/360) | | V=(1/3)(3.14)(16)(12) | | -2.1m=21 | | Y-6=5x-30 | | 1/4x-2=3.5 | | z^2-6*i*z-10=0 | | 3.25+2x=15.45 | | 4.25x-3.55x=4 | | 5/2*(0.2-(1/3*X)) |

Equations solver categories