X^2=9+12

Simple and best practice solution for X^2=9+12 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=9+12 equation: 


Simplifying
X2 = 9 + 12

Combine like terms: 9 + 12 = 21
X2 = 21

Solving
X2 = 21

Solving for variable 'X'.

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

Simplifying
X2 = 21

Take the square root of each side:
X = {-4.582575695, 4.582575695}

See similar equations:

| -7(k+3n+4m)= | | 2y-8*0=18 | | (2y+4)(4y+3)= | | 8a+7=23 | | 5(2x)=-36 | | -1x+6x=10 | | 8/w=9/15 | | 2v=22 | | 8x+71=9x-150 | | 4(y-2)=42 | | 355.6=x(27.98)+y(10.98) | | X-6-2y=0 | | [5(8+7)+15]=(9*8+18) | | 8(2a)+3(a+4b)= | | 8/w,=9/15 | | 0.6x-0.4=3.2 | | 35-.8x=x | | 8/9=ab^-2 | | -12v+-40=20+-10v | | 18-2g=14 | | 4(4)-3(-5)=x | | 10/3x5/2 | | x+0.42x= | | 5+4=14+x | | 2a-5=8a+13 | | -(2)(2)(-5)=x | | y-0=-1.25(x-4) | | 3x-5(x-5)=-6+4x-11 | | 2x-1+x+x+5=108 | | 2n+3=2n+3 | | 7p^2+57p+8=0 | | 3w-3=-2w-23 |

Equations solver categories