2=2x^2-7

Simple and best practice solution for 2=2x^2-7 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 2=2x^2-7 equation: 


Simplifying
2 = 2x2 + -7

Reorder the terms:
2 = -7 + 2x2

Solving
2 = -7 + 2x2

Solving for variable 'x'.

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

Add '-2x2' to each side of the equation.
2 + -2x2 = -7 + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
2 + -2x2 = -7 + 0
2 + -2x2 = -7

Add '-2' to each side of the equation.
2 + -2 + -2x2 = -7 + -2

Combine like terms: 2 + -2 = 0
0 + -2x2 = -7 + -2
-2x2 = -7 + -2

Combine like terms: -7 + -2 = -9
-2x2 = -9

Divide each side by '-2'.
x2 = 4.5

Simplifying
x2 = 4.5

Take the square root of each side:
x = {-2.121320344, 2.121320344}

See similar equations:

| -0.08p-.06(6-3p)=0.05(p-2)-.021 | | y/4-6=3 | | 3v-9v= | | 0.13x+0.6(x-5)=0.01(2x-5) | | 8p+8=13+7p | | -28=8+9x | | 2b-5-5b-7= | | 5x-8+x-6= | | lx+4l=x | | h-168=437 | | -4(t+2)-t-6=-5(t+5)+11 | | 0.19x+0.4(x-4)=0.01(2x-2) | | 0(x)= | | x^2+10x+25-16=0 | | 5z+8=6z | | 4x+1.5-2.4x=0.2x-3.4 | | z^2+2z+6=0 | | 4x+x+2=17 | | x^2+19n+88=0 | | q=4p+9 | | C=8(y+8) | | -1-8-9=x | | 4y-12-y+17= | | x/4-x/8=16 | | n^2-3n-77=0 | | 5(6-4r)=V+21 | | 5/9*(81-32) | | 1/2(n^2-3n-77)=0 | | 9+3=3x | | 3(4z^2-4+1)-11(2z-1)+10=0 | | 0.36m+1.2mp-mp^2=0 | | x+8-4*(x)=2*(1+3x) |

Equations solver categories