b^2-9=0

Simple and best practice solution for b^2-9=0 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 b^2-9=0 equation: 


Simplifying
b2 + -9 = 0

Reorder the terms:
-9 + b2 = 0

Solving
-9 + b2 = 0

Solving for variable 'b'.

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

Add '9' to each side of the equation.
-9 + 9 + b2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + b2 = 0 + 9
b2 = 0 + 9

Combine like terms: 0 + 9 = 9
b2 = 9

Simplifying
b2 = 9

Take the square root of each side:
b = {-3, 3}

See similar equations:

| y^2-49=0 | | 5(2x+3)+5=95 | | 3x+2+4x=11+7x | | -15m-21=219 | | 5x+75=75-5x | | 4(x+2)2=28 | | 730x-13140x^2=0 | | 10x-18=22 | | 3a-2c=10 | | 5x+38=12x-18 | | 2k-5=5k-11 | | 5x-21=24 | | 35x-5y=-10 | | G(X)=6X^2-9X | | 14=-2x+16 | | 3-4(1+A)=7 | | 16x-4y=4 | | 2y-12+6y=20 | | 4x+4y=-12 | | -5c-6=64 | | 3x+4(5x)=46 | | 4(x-3)=x+9 | | 45x+5y=25 | | 4p+3q=-3 | | onehalfx+3=-(x+1) | | 5x-2=2x-8 | | 4z-19=-2z+30 | | 4p+3q= | | -9x+36=72 | | 4x-8=3x+18 | | 2+3y=5(y-2) | | -8-7x=-5x-10 |

Equations solver categories