4=(b^2)-16

Simple and best practice solution for 4=(b^2)-16 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 4=(b^2)-16 equation: 


Simplifying
4 = (b2) + -16
4 = b2 + -16

Reorder the terms:
4 = -16 + b2

Solving
4 = -16 + b2

Solving for variable 'b'.

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

Add '-1b2' to each side of the equation.
4 + -1b2 = -16 + b2 + -1b2

Combine like terms: b2 + -1b2 = 0
4 + -1b2 = -16 + 0
4 + -1b2 = -16

Add '-4' to each side of the equation.
4 + -4 + -1b2 = -16 + -4

Combine like terms: 4 + -4 = 0
0 + -1b2 = -16 + -4
-1b2 = -16 + -4

Combine like terms: -16 + -4 = -20
-1b2 = -20

Divide each side by '-1'.
b2 = 20

Simplifying
b2 = 20

Take the square root of each side:
b = {-4.472135955, 4.472135955}

See similar equations:

| X-19=42 | | 0.6+4n=0.6(n+4) | | 15(6-4)= | | 5n+7n=192 | | -2(6x+4)=-8x-12 | | 36-26x+4x^2=0 | | -9s=13.5 | | 200=5.50x | | 54-3(4n+15)=9-12n | | 3(2z+3)=9z+6 | | 4(s-13)+7=19 | | 1/3-1/4=5/6a-3/2 | | 8n-14-3n=9(n-3) | | t+12=-2 | | -2(3n-4)=-6n+8 | | -144+5x=196+15x | | 80=r^2 | | (7y-1)+(11y+19)= | | 4=3(j-14)-11 | | 20k^2+110k+120= | | 4x-5-4x=-5 | | (9x+37)+(6x+8)= | | Z+18=18 | | D+10.1=6.2 | | -5(-4y-8)=-40 | | 6ab(b)+4ab-2a=9 | | (y+8)= | | (12-2)180= | | 3x=1x+3.5 | | 3-8[7-(2y-8)]= | | (3x+5)+(6x-14)= | | 2.9h=-52.2 |

Equations solver categories