7x^2=42

Simple and best practice solution for 7x^2=42 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 7x^2=42 equation:


Simplifying
7x2 = 42

Solving
7x2 = 42

Solving for variable 'x'.

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

Divide each side by '7'.
x2 = 6

Simplifying
x2 = 6

Take the square root of each side:
x = {-2.449489743, 2.449489743}

See similar equations:

| 51-2(m-3)=21 | | z-3/10=10 | | 4x+2x+24=180 | | 10+2d=28 | | x/-8=5-(-7) | | x=-12(5x)+3(-7x)-x | | 40=7m+5-2m | | 2(3x+1)=7x+3 | | 267=5-y | | Y=r+s+t/6 | | 3x+x-12=44 | | 7.1+5.8-1.3=23.75 | | 2(3x-1)=7x+3 | | 2x+3=115 | | -12/6 | | 52=3v+10 | | 2m+6+4m=-18 | | 2=2(x-3)-4x | | 9-13+(4*5)+5= | | 9m*6=4 | | -x+7x=-16+2x+6x | | x-6/-2=14 | | x=-31 | | 3x+5+x-1=180 | | 2*(-7)*5= | | -2w=-28 | | 4x+13=35-11x | | 2x-35=43 | | 9m+6=4 | | (-5/3)(1/3)+1/3^3 | | 6=5r-7r | | 16=4n |

Equations solver categories