11-4x^2=15

Simple and best practice solution for 11-4x^2=15 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 11-4x^2=15 equation:


Simplifying
11 + -4x2 = 15

Solving
11 + -4x2 = 15

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + -4x2 = 15 + -11

Combine like terms: 11 + -11 = 0
0 + -4x2 = 15 + -11
-4x2 = 15 + -11

Combine like terms: 15 + -11 = 4
-4x2 = 4

Divide each side by '-4'.
x2 = -1

Simplifying
x2 = -1

Reorder the terms:
1 + x2 = -1 + 1

Combine like terms: -1 + 1 = 0
1 + x2 = 0

The solution to this equation could not be determined.

See similar equations:

| f(x)=ln(x^2+2x+3) | | Log(2)(4x)-3=0 | | f(x)=ln(x^4) | | 20xt=1200 | | -3x+11x=-32 | | 20xy=1200 | | Xm=nd | | 5y+9z=19 | | 12x+16-5=4x-7x+26 | | 3(2x+4)=7x-12 | | 2(x-3)+5=3x-8 | | -3-7x=60 | | 2x^3-20x^2=48x | | 5x+21=-2-2 | | 2x^2+6x=76 | | -2t-4=10-2t | | Area=3*1/8 | | 0.06x/0.06=2820/0.06 | | 3x1/8=x | | 25x+26=10 | | (9)(-4/3) | | 4x-2y+5=o | | x+4-0,7x-6=x | | ((x+4)*(x+4))=((x-2)*(2x-2)) | | x+4-0,06x=x | | x+4-0,06x= | | ((x+3)*(4x-2))=((2x+3)*(2x+2)) | | (2cosx-1)(cosx-5)=0 | | -x^2-4x=9 | | 3x+2=2x-18 | | 3/8g=-1/4 | | 10X-3(2X+4)=2X+3 |

Equations solver categories