3x^2-3=45

Simple and best practice solution for 3x^2-3=45 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 3x^2-3=45 equation: 


Simplifying
3x2 + -3 = 45

Reorder the terms:
-3 + 3x2 = 45

Solving
-3 + 3x2 = 45

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 3x2 = 45 + 3

Combine like terms: -3 + 3 = 0
0 + 3x2 = 45 + 3
3x2 = 45 + 3

Combine like terms: 45 + 3 = 48
3x2 = 48

Divide each side by '3'.
x2 = 16

Simplifying
x2 = 16

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

See similar equations:

| x^2-24x+1=0 | | 100(x-3)=450-50 | | t/3-2=9 | | -6(8+6k)=-228 | | 7/5(40) | | x+7/5x=96 | | 6d/4=24 | | -153-12x=71+2x | | -5+7=5x-4(x-1) | | 9Y-1=y-5 | | D(3-7)-12=0 | | 6m/7-3=9 | | -82-3x=11x+170 | | 7m-10m=27 | | .5=.09 | | 9(w-4)=7w-44 | | 3+573g=3g | | 3+573=3g | | 3m^3-32m-8=0 | | 3+573=g | | 3a+3a=16+18a | | an=-7+6 | | -98-3x=98-10x | | .66t+4=2 | | 4096=r^6 | | 2x+5y=-34 | | t=96t-16t^2 | | l=5+2x | | 4-6w=3*1/2+w/2 | | 48-x=4*x-7 | | 18-2g=4[g-9] | | 2w^2+20w=0 |

Equations solver categories