2x^2+20=28

Simple and best practice solution for 2x^2+20=28 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 2x^2+20=28 equation: 


Simplifying
2x2 + 20 = 28

Reorder the terms:
20 + 2x2 = 28

Solving
20 + 2x2 = 28

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 2x2 = 28 + -20

Combine like terms: 20 + -20 = 0
0 + 2x2 = 28 + -20
2x2 = 28 + -20

Combine like terms: 28 + -20 = 8
2x2 = 8

Divide each side by '2'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}

See similar equations:

| 2(5n+10)=59 | | 8(1-7n)=-4n+8 | | 1+4/13=12/39 | | 2/3=x-2/9 | | -6x^2+54x-120=0 | | 10b^2-27b=18 | | 2k-ak=7 | | 6x+10-5x=10 | | 3/14x7/10 | | -8(a+7)+7a=-26+4a | | 3/14x710 | | x^3=x^2+12x | | -6=0.75(y+2) | | 64=8 | | 35-7K=-7(1+4k) | | 7=13-6x | | A-2.1=-4.5 | | 36-12x=16+8x | | (2/4)x=112 | | 4-(6x-7)=77 | | 3/a=2 | | -1/3=-1/2u-9/7 | | 6p/3p | | 2*2.9-5.8*2.9=5.7*2.9-5.3*2.9-12.18 | | 6x-9/2x+3 | | 5(6-x)-8=-82 | | 1/4-20=-45 | | 20x+13=-27 | | 4x+2(x+5)=12+3x | | 2t+8-1=3 | | 1/4-20n=-45 | | 3x-(4)-(7x)=2x+(2)+2x |

Equations solver categories