X^2-9=56

Simple and best practice solution for X^2-9=56 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=56 equation:


Simplifying
X2 + -9 = 56

Reorder the terms:
-9 + X2 = 56

Solving
-9 + X2 = 56

Solving for variable 'X'.

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

Add '9' to each side of the equation.
-9 + 9 + X2 = 56 + 9

Combine like terms: -9 + 9 = 0
0 + X2 = 56 + 9
X2 = 56 + 9

Combine like terms: 56 + 9 = 65
X2 = 65

Simplifying
X2 = 65

Take the square root of each side:
X = {-8.062257748, 8.062257748}

See similar equations:

| 6+y=x | | 5x+1=2y | | 5c+9c=28 | | 572=7x+12y | | 2sinx-4cosx=0 | | 6x^4-7x^3-36x^2+7x+6=0 | | X^4-5x^3+20x^2-38x+16=0 | | A=q+b/4 | | x^2+2x=3x+20 | | log[3](-2-4x)=2 | | 4/5x+4/3=2x-3/4 | | 29+49+x=180 | | 234/n=6 | | X=1170615y/14 | | (X-VI)*II+(IX/III) | | 90x2/3= | | 12n=642 | | xy+2y=5x+1 | | z^2+3z+3+i=0 | | 4-0/0-(-5) | | m=4-0/0-(-5) | | -lnx^2+2lnx+30=0 | | 5+1.5x-0.25=1.67x | | solvefora:p=1/3ab | | (2x+1)=(7x+3) | | g+11-4=z | | 0.13x+0.8(x-3)=0.01(4x-5) | | (-8i)-(2i)= | | 7(2+5d)+8(6-6d)=52 | | 2(45s-34)=65 | | n+2+4n-17=0 | | 5/30+18/30 |

Equations solver categories