3x^2-5=70

Simple and best practice solution for 3x^2-5=70 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^2-5=70 equation: 


Simplifying
3x2 + -5 = 70

Reorder the terms:
-5 + 3x2 = 70

Solving
-5 + 3x2 = 70

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 3x2 = 70 + 5

Combine like terms: -5 + 5 = 0
0 + 3x2 = 70 + 5
3x2 = 70 + 5

Combine like terms: 70 + 5 = 75
3x2 = 75

Divide each side by '3'.
x2 = 25

Simplifying
x2 = 25

Take the square root of each side:
x = {-5, 5}

See similar equations:

| 3(4y-2)=(2y+5) | | 3.3x+2.7x-4.6=7.4 | | 7p-13p-p=-147 | | 37=8x+5 | | (y-3)-(y+7)=3y | | 125/8+7/3X=-13 | | x+1/2y=6 | | 5x+3=-x+12 | | (-3x^4y^2)= | | 1/x-2=5 | | 14=5x-5 | | 4x/5+21x/5 | | 12x^5/6x^2 | | 8+2(z-3)=5z | | 6x^2-17+13=20x^2-32 | | 5X/2/4=-20 | | 36.9=3.7-14.9 | | h^2+5h-155=0 | | 56=14y | | 4x+7=67-2 | | 3n+60=46-4n | | 3(5-z)-27=17z-4(3+5z) | | 9m-12=2m | | 4(x+1.50)+5x=33 | | 7x+x=16 | | 2g+7=4g+7+6g | | 0=4y-28 | | 36/5+31/2X=-7 | | x/-2=15 | | 4*1.50+5x=33 | | 123456789*8+9=987654321 | | 8y+4=2(4y+6) |

Equations solver categories