R^2-1=15

Simple and best practice solution for R^2-1=15 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 R^2-1=15 equation: 


Simplifying
R2 + -1 = 15

Reorder the terms:
-1 + R2 = 15

Solving
-1 + R2 = 15

Solving for variable 'R'.

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

Add '1' to each side of the equation.
-1 + 1 + R2 = 15 + 1

Combine like terms: -1 + 1 = 0
0 + R2 = 15 + 1
R2 = 15 + 1

Combine like terms: 15 + 1 = 16
R2 = 16

Simplifying
R2 = 16

Take the square root of each side:
R = {-4, 4}

See similar equations:

| y=x^2+4x-2 | | 3(2x-1)=x-18 | | R^2-2=15 | | 5x^2+49x+36=0 | | 9x-18-12x+6= | | 4c=36 | | -9-6=9x+2-8x | | 2p+3p+2+p=-4 | | 5000=(-x^2)+202x | | 9-h=6 | | 2(2x-2)=5x | | (-x^2)+202X-5000=0 | | a^2-8a-65=0 | | g^2+4g-12=0 | | 9x-(6x+7)= | | x^3+5x^2-42x-40=0 | | x^2+4=6 | | 24=7x+18 | | X^2+2x+6=.0 | | 2x+33=42+23x | | -0.003k-0.03k-0.3k-666=0 | | a(-2)= | | 5(4X-2)+2=-4 | | 24+32x-16x^2=0 | | -15-2x+x^2=0 | | 23*{2775*x}=34567 | | 2x=25-x^3 | | 10-7x+x^2=0 | | 0=-3x^2-2x+1 | | 18=2(x/6) | | 18=2x/12 | | 8x-(6x+7)=5 |

Equations solver categories