2x^2-13=43

Simple and best practice solution for 2x^2-13=43 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=43 equation:


Simplifying
2x2 + -13 = 43

Reorder the terms:
-13 + 2x2 = 43

Solving
-13 + 2x2 = 43

Solving for variable 'x'.

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

Add '13' to each side of the equation.
-13 + 13 + 2x2 = 43 + 13

Combine like terms: -13 + 13 = 0
0 + 2x2 = 43 + 13
2x2 = 43 + 13

Combine like terms: 43 + 13 = 56
2x2 = 56

Divide each side by '2'.
x2 = 28

Simplifying
x2 = 28

Take the square root of each side:
x = {-5.291502622, 5.291502622}

See similar equations:

| 30x+10x+5x=500 | | 6x-8=-14 | | (-2p^4)(9p^8)= | | 30x+20x+10x=500 | | 8+2+y(2+1)=42-2 | | 10=1x | | 7x=18-2 | | 3x+8(x-5)=3(x-8) | | 5x+10x+20x=500 | | 5x+4x+2x=500 | | 50x+200x+100x=1000 | | 20x+40x+60x=1000 | | 4x+12x+18x=500 | | 4x+12x+18x=1000 | | 6x=-64 | | In(4x-7)=1 | | 2x+4x+8x=500 | | 2x+4x+8x=1000 | | x^2-6x=-2 | | 50x+2x+10x=500 | | 100t^2-9= | | x^2-10=134 | | 50x+2x+10x=1000 | | 28x+125x+8x=1000 | | v^2+6v+8= | | 4+x=19-4 | | (3x+4)+(5x-7)=13 | | 6(3x-6)=3(6x+9) | | 6+12t-5=9t+19-3t | | 5x+3=9x-45 | | 6+12t-5=9t+19t-3t | | 2x+15x+8x=1000 |

Equations solver categories