b^2-9=65

Simple and best practice solution for b^2-9=65 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=65 equation: 


Simplifying
b2 + -9 = 65

Reorder the terms:
-9 + b2 = 65

Solving
-9 + b2 = 65

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 = 65 + 9

Combine like terms: -9 + 9 = 0
0 + b2 = 65 + 9
b2 = 65 + 9

Combine like terms: 65 + 9 = 74
b2 = 74

Simplifying
b2 = 74

Take the square root of each side:
b = {-8.602325267, 8.602325267}

See similar equations:

| 5x^2+9x=-4 | | 3y-8=8y+13 | | 4n^2=64 | | 2x^2-36=x | | 2.1X=20+X | | x^3-4x^2-15x=0 | | 5r^2=80 | | 90-3x=2x+15 | | -6(7+7x)=210 | | 8-9x=77-30x | | 2k^2+9k=-7 | | 17y=16(y+17) | | 19.08+X=3X+X | | 5x+5=85-3x | | x^2+2x-1=2 | | -16t^2+96t+230=0 | | 12+5x=6(x+2) | | 7-4x=37+x | | 2.10+X=10X+X | | 2x^2-3x-15=5 | | 18=3x-2x+10 | | -x-7+5x=9 | | 2m^2-7m-13=-10 | | 6x-9=-27 | | 2(6y-3)=6y | | 139-5x=31x+19 | | 3w-2s+4t-5s+7w= | | 13-9x=61-37x | | -4x+3=27 | | 6x+12=82-4x | | -80-8x=9x+22 | | 4b^2+8b+7=4 |

Equations solver categories