4x^2+15x+23=0

Simple and best practice solution for 4x^2+15x+23=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+15x+23=0 equation:


Simplifying
4x2 + 15x + 23 = 0

Reorder the terms:
23 + 15x + 4x2 = 0

Solving
23 + 15x + 4x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
4 the coefficient of the squared term: 

Divide each side by '4'.
5.75 + 3.75x + x2 = 0

Move the constant term to the right:

Add '-5.75' to each side of the equation.
5.75 + 3.75x + -5.75 + x2 = 0 + -5.75

Reorder the terms:
5.75 + -5.75 + 3.75x + x2 = 0 + -5.75

Combine like terms: 5.75 + -5.75 = 0.00
0.00 + 3.75x + x2 = 0 + -5.75
3.75x + x2 = 0 + -5.75

Combine like terms: 0 + -5.75 = -5.75
3.75x + x2 = -5.75

The x term is 3.75x.  Take half its coefficient (1.875).
Square it (3.515625) and add it to both sides.

Add '3.515625' to each side of the equation.
3.75x + 3.515625 + x2 = -5.75 + 3.515625

Reorder the terms:
3.515625 + 3.75x + x2 = -5.75 + 3.515625

Combine like terms: -5.75 + 3.515625 = -2.234375
3.515625 + 3.75x + x2 = -2.234375

Factor a perfect square on the left side:
(x + 1.875)(x + 1.875) = -2.234375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 8x-(4x-5)=33 | | 2x+13=2x-20 | | 8=-18*y | | 0.6x+15.7=x-1.66 | | 7(x+13)=7x+81 | | 4-5[3-(the-5)]= | | -5x+141=-x-9+11x | | b^2-24=6-12b^2 | | y-(-2)=-5(x-(-4)) | | 5x^2+34-48=0 | | y-(-2)=-5(x-(-5)) | | 3(x+2.31)=2x | | [-(x-5)]=8.5 | | 9+3x=-39 | | (10)0.3x+0.1=(10)-1.1 | | y-(-2)=-3(x-(-6)) | | -.625+m=.333333333333333333333 | | xb-3=x | | 10x^2-51x+6=0 | | 7x+93=-6x+2 | | xb=-3 | | 4(2x-7)=5-3(3x-2) | | 8(x-5.1)=3.2 | | 8x+6.72=4x+13 | | Y=(2x+3)(x-9) | | -21=6+9x | | 7t+18=-116 | | 6.5x=-34.45 | | 5h+15=3h+19 | | 9x+13=9x-17 | | x-1=5.63 | | -8(1-11n)=10+5(5n+9) |

Equations solver categories