2x^2+3=7

Simple and best practice solution for 2x^2+3=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 2x^2+3=7 equation: 


Simplifying
2x2 + 3 = 7

Reorder the terms:
3 + 2x2 = 7

Solving
3 + 2x2 = 7

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 2x2 = 7 + -3

Combine like terms: 3 + -3 = 0
0 + 2x2 = 7 + -3
2x2 = 7 + -3

Combine like terms: 7 + -3 = 4
2x2 = 4

Divide each side by '2'.
x2 = 2

Simplifying
x2 = 2

Take the square root of each side:
x = {-1.414213562, 1.414213562}

See similar equations:

| -12b+12=0 | | -4*(-5)*(-4)= | | 3x^4-12x^2-2= | | n+4/4=9 | | 4+16n-3=7n+79-4n | | x+3=x*2 | | 3y/5x6 | | -6-(16x-19)+(12-14x)-2=14-(2x-2)+(8x+8) | | 36=-12-3y | | 6(8x-9)= | | n/4-4=9 | | 6+2=4(x+3) | | -3x-13x=-80 | | 3.7x+12=.7x | | 2.4h+1=7h(2h-4) | | N=30+-4n | | n/4+4=9 | | 5/9v+w=z | | 1x^2*43y=90 | | (14n+23)=65 | | 8u-4=20-4u | | m=3/8x4 | | -11=22/13+b | | 1x=x+0 | | r=2/3t+u | | 0=-5(2+v) | | 0.10m=0.05m+20 | | 42+8/5 | | 5+ln(x-1)=4 | | -153=-8b-1 | | 6+4/5a=9/10a | | -3(7x-11)=11(2-2x) |

Equations solver categories