5x^2-8=1

Simple and best practice solution for 5x^2-8=1 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=1 equation:


Simplifying
5x2 + -8 = 1

Reorder the terms:
-8 + 5x2 = 1

Solving
-8 + 5x2 = 1

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 = 1 + 8

Combine like terms: -8 + 8 = 0
0 + 5x2 = 1 + 8
5x2 = 1 + 8

Combine like terms: 1 + 8 = 9
5x2 = 9

Divide each side by '5'.
x2 = 1.8

Simplifying
x2 = 1.8

Take the square root of each side:
x = {-1.341640787, 1.341640787}

See similar equations:

| 6(x+24)=24 | | 7-5(2x+4)=6 | | 5a^2+5=0 | | 39=3(5x-2) | | 2r+(-5)+6r= | | 65x=525 | | 11x+2x-88=159 | | -3y=8x+9 | | Xy+5y=8 | | Sin(5y)=x | | 4x+3+3x-22=90 | | 7=9+v | | X^2+2x-3=x(x-5) | | -8=a-8 | | 24x^2-72=0 | | -61+8x-4x=27 | | 61+90=n | | -5y=3x+25 | | 5(x+4)+52=-4x | | 49-(2c+4)=4(c+6) | | y-2925=-45(x-15) | | 2=3-3x | | 2(x-3)=4(x+1) | | 2=-3x+3 | | 8-4k=49 | | 48+x^2-16x=4 | | -8x+12x-38=78 | | -2/5=-p-(p-3/5) | | -6x=-26 | | 11x+42= | | -8y=11x-48 | | -16x-2=0 |

Equations solver categories