x*x+3=28

Simple and best practice solution for x*x+3=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 x*x+3=28 equation:


Simplifying
x * x + 3 = 28

Multiply x * x
x2 + 3 = 28

Reorder the terms:
3 + x2 = 28

Solving
3 + x2 = 28

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 + x2 = 28 + -3

Combine like terms: 3 + -3 = 0
0 + x2 = 28 + -3
x2 = 28 + -3

Combine like terms: 28 + -3 = 25
x2 = 25

Simplifying
x2 = 25

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

See similar equations:

| 97-3x=33x+17 | | 18P-0= | | 134-10x=9x+18 | | 4x=36+3x | | -66.66y=22 | | 22=15x | | 25-5= | | -0.003x^2+0.577x+2=0 | | 67x-45y=56x+8y | | 6x^2-19x=14 | | 219-5x=31x+19 | | m^2-10m+18=0 | | 9+-8x=32+-15x | | 11x-19=6x+11 | | 2-(6-2x)=0 | | 12x-15y=80 | | 2x^4-9*x^3-4x^2-5x=0 | | x*3+x^2-8*x-8=0 | | 7y-5=3x+23 | | 4(x+1)-3(x-3)=25 | | -7x+3x^2+2=0 | | (x+4)2=81 | | 137=x+y | | 10x+12=112 | | -3x^2-2x+4=0 | | 4x+62=9x-13 | | 30-6x=3x+18 | | 10-6x=3x+18 | | =4x+15 | | -35-3x=9x+19 | | 130=2x-y | | -2(x+9)+91=13+24 |

Equations solver categories