5x^2-8=3

Simple and best practice solution for 5x^2-8=3 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 5x^2-8=3 equation:


Simplifying
5x2 + -8 = 3

Reorder the terms:
-8 + 5x2 = 3

Solving
-8 + 5x2 = 3

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 5x2 = 3 + 8

Combine like terms: -8 + 8 = 0
0 + 5x2 = 3 + 8
5x2 = 3 + 8

Combine like terms: 3 + 8 = 11
5x2 = 11

Divide each side by '5'.
x2 = 2.2

Simplifying
x2 = 2.2

Take the square root of each side:
x = {-1.483239697, 1.483239697}

See similar equations:

| x+-3=2 | | 5(2+w)=4(3+w) | | v-10=4 | | x+3x=532 | | -7=z-1.7 | | 25x^2+16x-12=0 | | x+100+165=360 | | 25x^3+16x^2-12x=0 | | 6k+30=7.1k+34.4 | | 9x^2-6x=11 | | w+8=1 | | 5(3+w)=4(2+w) | | 9a-11=34 | | 400y^2-169=0 | | 476b+84=225b-21b-35 | | 15y-14y+22=-22 | | -15=-m+5 | | x+4555+x=14165 | | 0.25x+40=109 | | x+4555=x+14165 | | -62+72+-9=17 | | 3x^3+9x^2=30x | | -62+(-78)= | | 5y-10=-24+19y | | 44-2(3x+4)=18x | | 4x+11x=120 | | 6(-5+3)= | | 3t-9=4(t+2) | | 4y^2+y=5y-3 | | -7.3=6.9n-5.9n-7.2 | | -32=8k | | 2x-7x=-1 |

Equations solver categories