2=-0.4*X^2

Simple and best practice solution for 2=-0.4*X^2 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 2=-0.4*X^2 equation:


Simplifying
2 = -0.4X2

Solving
2 = -0.4X2

Solving for variable 'X'.

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

Add '0.4X2' to each side of the equation.
2 + 0.4X2 = -0.4X2 + 0.4X2

Combine like terms: -0.4X2 + 0.4X2 = 0.0
2 + 0.4X2 = 0.0

Add '-2' to each side of the equation.
2 + -2 + 0.4X2 = 0.0 + -2

Combine like terms: 2 + -2 = 0
0 + 0.4X2 = 0.0 + -2
0.4X2 = 0.0 + -2

Combine like terms: 0.0 + -2 = -2
0.4X2 = -2

Divide each side by '0.4'.
X2 = -5

Simplifying
X2 = -5

Reorder the terms:
5 + X2 = -5 + 5

Combine like terms: -5 + 5 = 0
5 + X2 = 0

The solution to this equation could not be determined.

See similar equations:

| r+8r=-18 | | 9m-18=27 | | 7x+5y-5y-8y=0 | | x^2=1.7 | | (2+x)(5+x)=180 | | 2y^2+6y-36=0 | | -8+16z= | | 3(x-4)-5=3x+2 | | 6+6(2n-1)=3+12n | | f+14=61 | | 2x-(4y+3x)= | | 15b^2+19b-1=-7 | | 100=y-50 | | 5x^2-21=59 | | 6v^2-27v=0 | | 15n^2+10n=0 | | -3(x-8)=-4(x+8) | | 3x(2x-3)=33 | | -7(-7k+2)=-14+2k | | 3x+45=6x | | 2u+4=88 | | 3x(3x-3)=33 | | 3x^2-21= | | 7x+2=3(x-2) | | -5x+2y=0 | | 11x+2y=116 | | 12+2y-4y=24 | | x+8x=-10+9-x | | 3x+6x=-18 | | 4x^2+y^2+2x-14y+14=0 | | 6m+45=63 | | -3(x+5)+2x=-15+x |

Equations solver categories