-4x^2-40=0

Simple and best practice solution for -4x^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 -4x^2-40=0 equation:


Simplifying
-4x2 + -40 = 0

Reorder the terms:
-40 + -4x2 = 0

Solving
-40 + -4x2 = 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 + -4x2 = 0 + 40

Combine like terms: -40 + 40 = 0
0 + -4x2 = 0 + 40
-4x2 = 0 + 40

Combine like terms: 0 + 40 = 40
-4x2 = 40

Divide each side by '-4'.
x2 = -10

Simplifying
x2 = -10

Reorder the terms:
10 + x2 = -10 + 10

Combine like terms: -10 + 10 = 0
10 + x2 = 0

The solution to this equation could not be determined.

See similar equations:

| 7(7y-9)=28 | | 12v^2-75=0 | | 4c^2-121=0 | | 5+l=6 | | 4(0.2x+3.7)=0.7x-6.7 | | 12c^2-5cd-2d^2=0 | | 3(x+5)=7x-3 | | 6x-5=2x+27 | | -2a+11+3(a+3)= | | 2D+2=12 | | b=2+8 | | 3(7+7x)=21 | | 3=h+2 | | 3(2x+7)=51 | | L=CL(.5)(r)(h)(o)(s)(v)(v) | | 3(x)=12 | | 1.5x-7.1=8.4+x | | 3y-4(y+2)= | | 8x-17=12+3x | | 3(y-5)=3+5y | | (y-8)-(y+5)=9y | | 3(10+5x)=60 | | 9t-3=5-3t | | 6(6+x)=66 | | 0.6w-0.5w+0.4w=5 | | 4(1+5x)=184 | | (x+3)2+(x+3)2=-13x | | x^2-14x=-44 | | 0.7w-0.9w+0.1w=3 | | -6a+2+7a=15-21 | | x^3-18x^2+17x= | | x^2+18x=-67 |

Equations solver categories