x*3x=42

Simple and best practice solution for x*3x=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 x*3x=42 equation: 


Simplifying
x * 3x = 42

Reorder the terms for easier multiplication:
3x * x = 42

Multiply x * x
3x2 = 42

Solving
3x2 = 42

Solving for variable 'x'.

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

Divide each side by '3'.
x2 = 14

Simplifying
x2 = 14

Take the square root of each side:
x = {-3.741657387, 3.741657387}

See similar equations:

| 9a-2a+19a= | | 2w^2-15w+28= | | 2*(17x)=42 | | 39=18+b+15 | | x^3-6x^2+3x-10=0 | | x*3x+2*(17x)=42 | | 6p+6=14+5p | | u^2+11u+30= | | 68=4.5x-9 | | 10y^4+14y^3-12y^2= | | 4x(5x+7)=0 | | x^7-x^3=0 | | x*3x+2(17x)=42 | | 1.5+4=t | | 2z^2+7z-30= | | 18x+11x= | | x^3ln(x)-xln(x)=0 | | 18r^2-32=0 | | 1=x+12 | | -6-(-1)= | | 9-(-3)= | | 7+3b=2b+11 | | 21=7(2a-1) | | 27r^2-75=0 | | 10y-7=2 | | C-9.8=3.6 | | B+2.7=3.5 | | 9+z+1+z+1+12=16 | | x^14-y^16=0 | | m^4-16=0 | | 2u^3+3u^2-10u-15= | | p^2-13=-5 |

Equations solver categories