4x^2-216=-108

Simple and best practice solution for 4x^2-216=-108 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 4x^2-216=-108 equation:


Simplifying
4x2 + -216 = -108

Reorder the terms:
-216 + 4x2 = -108

Solving
-216 + 4x2 = -108

Solving for variable 'x'.

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

Add '216' to each side of the equation.
-216 + 216 + 4x2 = -108 + 216

Combine like terms: -216 + 216 = 0
0 + 4x2 = -108 + 216
4x2 = -108 + 216

Combine like terms: -108 + 216 = 108
4x2 = 108

Divide each side by '4'.
x2 = 27

Simplifying
x2 = 27

Take the square root of each side:
x = {-5.196152423, 5.196152423}

See similar equations:

| 7x^2+39x=-20 | | 6y+3(1-y)=7(y+2)-3y | | x^2=-7x-12 | | s^2=-12-7s | | 5x^2y-7+5xy+7y= | | 0-50*1-60-60*0+10=x | | 20a^3+4a^2+1= | | a^2-6a-27=0 | | X^2+9x+7= | | 3y^3-5y^2-2y=0 | | n=0.05x-98.40 | | n=0.05-98.40 | | 2x-3(x-4)=-5 | | 6-(y+4)=5-2(y-1) | | x^2-18x^2+81=0 | | (11b-8)-5(2b+2)=-3 | | -5(3b+4)+(16b-1)=0 | | (3x-1)(x+5)= | | 4x+6x+2+7=7x+5+2x | | 4x-(3x+5)=-1 | | 8x+10=-86 | | 9(x+5)-8x=11-2 | | 100x^2+50x+3=0 | | 8x+8=-96 | | (a+9)(a-7)= | | y-0=-4(x-1) | | 5X^2+20X=385 | | .70x+.10(90)=.60(x+90) | | -4(x-1)= | | 3(x+1)= | | .7x+90(.1)=60(x+90) | | 5(r-140)+5r=4000 |

Equations solver categories