5x^2+40=0

Simple and best practice solution for 5x^2+40=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 5x^2+40=0 equation:


Simplifying
5x2 + 40 = 0

Reorder the terms:
40 + 5x2 = 0

Solving
40 + 5x2 = 0

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + 5x2 = 0 + -40

Combine like terms: 40 + -40 = 0
0 + 5x2 = 0 + -40
5x2 = 0 + -40

Combine like terms: 0 + -40 = -40
5x2 = -40

Divide each side by '5'.
x2 = -8

Simplifying
x2 = -8

Reorder the terms:
8 + x2 = -8 + 8

Combine like terms: -8 + 8 = 0
8 + x2 = 0

The solution to this equation could not be determined.

See similar equations:

| y+3x+3=2x | | x^2-14x+26=0 | | 3x+3=3x+9 | | 8000=x^3+3x^2 | | -2.9=-1.4+y | | 8-6=3 | | log(x)=0.67 | | 8x+5x+3x+9x=150 | | 5.3x-.7=1.06-3.5x | | 12-3(10-4)=0 | | 12-3(10-6)=0 | | 5x^3-20x-6x^2+24=0 | | 14z+4=19z+2 | | 4x+16=-4 | | x*x*3x= | | 16t^2+15t-94=0 | | 50.00+1.75x=39.99+2.50x | | 16t^2+22t-108=0 | | 20Y^2+39Y+7=0 | | 1.7k-2(1.5k-2)=5(.26k+0.8) | | 525+.21x=585+.13 | | 7r-(-16)=100 | | 750.00-50.00x=-185+35x | | x(x)+2x-3=129 | | 15a^6-10a^5= | | 2(5x+3)=x+2 | | 16t^2+4t= | | 3x+4x=1 | | log(x+7)=log(x)+log(7) | | 0.12(x-10)-0.05(x-30)=-1.80 | | 6x^2+9x+27= | | 6x^2+9+27= |

Equations solver categories