3x(x)+7=0

Simple and best practice solution for 3x(x)+7=0 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 3x(x)+7=0 equation:


Simplifying
3x(x) + 7 = 0

Multiply x * x
3x2 + 7 = 0

Reorder the terms:
7 + 3x2 = 0

Solving
7 + 3x2 = 0

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 3x2 = 0 + -7

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

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

Divide each side by '3'.
x2 = -2.333333333

Simplifying
x2 = -2.333333333

Reorder the terms:
2.333333333 + x2 = -2.333333333 + 2.333333333

Combine like terms: -2.333333333 + 2.333333333 = 0.000000000
2.333333333 + x2 = 0.000000000

The solution to this equation could not be determined.

See similar equations:

| y+9=-6(x+4) | | I-21=6 | | 15y-20=110y | | 3x_5/16=3/4-1/8x-1/2 | | -17x+15x=28 | | 29y-54y=116 | | 1-25x^2=1 | | 110+6.5x=72.5+9.5 | | -26-14x=25 | | 2+(3x-4)-5=20 | | (5X-1)+-1(X-1)= | | 2/3h7/9 | | z^2-4z+4i=0 | | 2x^2+3x+m=0 | | (x-7)(x+3)=(x-5)(x+2) | | Y=X^4/16 | | 4z-10=z+8 | | 2x=3x+5y | | 33x+36=30x+59 | | 12+5x=-18 | | -14-16+d=-12 | | 7y+11=3x-17 | | Sin3/2pigreco | | 26+33x=59+30x | | 3c^2=16c+12 | | y=1/8x-1/6 | | 2x+8x=9 | | 9x-1=10x+9 | | 4x-2(7-x)=4 | | 2x^2-5xy+6=0 | | 4x+2y=39 | | -8x+3=-6x+11 |

Equations solver categories