2x^2-13-1=0

Simple and best practice solution for 2x^2-13-1=0 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^2-13-1=0 equation:


Simplifying
2x2 + -13 + -1 = 0

Reorder the terms:
-13 + -1 + 2x2 = 0

Combine like terms: -13 + -1 = -14
-14 + 2x2 = 0

Solving
-14 + 2x2 = 0

Solving for variable 'x'.

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

Add '14' to each side of the equation.
-14 + 14 + 2x2 = 0 + 14

Combine like terms: -14 + 14 = 0
0 + 2x2 = 0 + 14
2x2 = 0 + 14

Combine like terms: 0 + 14 = 14
2x2 = 14

Divide each side by '2'.
x2 = 7

Simplifying
x2 = 7

Take the square root of each side:
x = {-2.645751311, 2.645751311}

See similar equations:

| 3x/4=-3 | | 5x-3(x-5)=-9+5x+18 | | 3x=18x-5 | | (3-2x)/(5+19x) | | -40-10x=10x+10 | | m/-6+6=413 | | (3-2x)=(5+19x) | | 40=x^2+3x | | 3(x+6)=5(x-2) | | 4x^2+10x-7=0 | | 4x/3=6 | | y+9=-3y-7 | | x(23-2x)(13-2x)= | | 3y=7x+21 | | 8x+68=12x | | A^2+12a+38=3 | | x(21-2x)(12-2x)= | | 8y+27=27-3 | | y/-3=15 | | (2m+5)(4m-7)=0 | | X+65+25=180 | | 2x+8=7x | | 7y-7x=7y-42 | | 24-5a=9 | | X^2-15x+c=0 | | x^2+2xy+y^2-x-y=0 | | 4(x-3)=10x-40 | | x^2+2xy+y^2-m-n=0 | | y=0.0003x+0.0102 | | 7=12+5y | | 8x/7x-49 | | Y/6-3=5-5/6 |

Equations solver categories