X^2-2-8=4

Simple and best practice solution for X^2-2-8=4 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^2-2-8=4 equation:


Simplifying
X2 + -2 + -8 = 4

Reorder the terms:
-2 + -8 + X2 = 4

Combine like terms: -2 + -8 = -10
-10 + X2 = 4

Solving
-10 + X2 = 4

Solving for variable 'X'.

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

Add '10' to each side of the equation.
-10 + 10 + X2 = 4 + 10

Combine like terms: -10 + 10 = 0
0 + X2 = 4 + 10
X2 = 4 + 10

Combine like terms: 4 + 10 = 14
X2 = 14

Simplifying
X2 = 14

Take the square root of each side:
X = {-3.741657387, 3.741657387}

See similar equations:

| (2w-1)(7-w)=0 | | 14-4a=14 | | 14x+98=10 | | x+(x*.5)=60 | | 12x+2y=66 | | 12x+2y= 66 | | f=2x^2+12x+17 | | 1.06x=3.18 | | 0.5(9+7)-0.75(-12-12)= | | 13x+5=85 | | 7-(-2)-8+4= | | cos(45)=x/100 | | (60/√15*√3)/6 | | (X+4)(2x-1)= | | 3a+1-4=-a+7 | | 50x+20y=2400 | | (80*​x)^​1/​3-​(10*​x^​4)^​1/​3 | | 3f^2+7x+4=0 | | 2c-16=7 | | (-8g^2-3g+7)-(-3g^2+5g-5)= | | 2a^2+7a-22=0 | | 36=x*360/9000 | | 3x+3-4x=12 | | 3x+4-3x=9 | | 25=-5-5x | | 10=360/x | | 920=5(x+16) | | 14xy^4/35y | | x+x+3x= | | 2cos^3(x)-7cos^2(x)+3=0 | | 40160p(x)=8x-1600 | | 9(x+3)=35x+1 |

Equations solver categories