3r^2-2=46

Simple and best practice solution for 3r^2-2=46 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 3r^2-2=46 equation: 


Simplifying
3r2 + -2 = 46

Reorder the terms:
-2 + 3r2 = 46

Solving
-2 + 3r2 = 46

Solving for variable 'r'.

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

Add '2' to each side of the equation.
-2 + 2 + 3r2 = 46 + 2

Combine like terms: -2 + 2 = 0
0 + 3r2 = 46 + 2
3r2 = 46 + 2

Combine like terms: 46 + 2 = 48
3r2 = 48

Divide each side by '3'.
r2 = 16

Simplifying
r2 = 16

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

See similar equations:

| b^2-8b+7.8=0 | | (x-3i)(x+2)(x-1)= | | 7=3/5-5 | | 4x=4y-8 | | (1/3)^5x=7 | | -10(r+2)=5(8-3r) | | (1/3)(3c) | | h-8=5 | | 5y-3+5y=4 | | 4(f+3)+5=5(y-1)+3y | | 16+y=20 | | 1/3x1/3x1/3x1/3x1/3x1/3 | | 4x-7y=51 | | 5(x+6)=-12(x-11) | | 12x^2-4x/2x= | | 18i/12i | | 12x^2-4x/2x | | -6(y-10)=-36 | | 10x+5=9x-10 | | 10x+59=9x-10 | | 14x=10x+5 | | X=20x+13 | | (18x)^2/(9x)^2 | | 267+(y-73)=360 | | -4y-4=16 | | 9(-11-5x)-8x=-4x-5(x+11) | | 4x-(3y+5)= | | 0=-0.007x^2+x+15 | | (4/2t^3)/(8/t^2) | | 0.25x+0.17=0.93 | | 2(5x+1)=3(1+2x)+7 | | 2x+15=27-4c |

Equations solver categories