-4x^2+23x-14=0

Simple and best practice solution for -4x^2+23x-14=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+23x-14=0 equation:


Simplifying
-4x2 + 23x + -14 = 0

Reorder the terms:
-14 + 23x + -4x2 = 0

Solving
-14 + 23x + -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'.
3.5 + -5.75x + x2 = 0

Move the constant term to the right:

Add '-3.5' to each side of the equation.
3.5 + -5.75x + -3.5 + x2 = 0 + -3.5

Reorder the terms:
3.5 + -3.5 + -5.75x + x2 = 0 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + -5.75x + x2 = 0 + -3.5
-5.75x + x2 = 0 + -3.5

Combine like terms: 0 + -3.5 = -3.5
-5.75x + x2 = -3.5

The x term is -5.75x.  Take half its coefficient (-2.875).
Square it (8.265625) and add it to both sides.

Add '8.265625' to each side of the equation.
-5.75x + 8.265625 + x2 = -3.5 + 8.265625

Reorder the terms:
8.265625 + -5.75x + x2 = -3.5 + 8.265625

Combine like terms: -3.5 + 8.265625 = 4.765625
8.265625 + -5.75x + x2 = 4.765625

Factor a perfect square on the left side:
(x + -2.875)(x + -2.875) = 4.765625

Calculate the square root of the right side: 2.18303115

Break this problem into two subproblems by setting 
(x + -2.875) equal to 2.18303115 and -2.18303115.

Subproblem 1

x + -2.875 = 2.18303115 Simplifying x + -2.875 = 2.18303115 Reorder the terms: -2.875 + x = 2.18303115 Solving -2.875 + x = 2.18303115 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.875' to each side of the equation. -2.875 + 2.875 + x = 2.18303115 + 2.875 Combine like terms: -2.875 + 2.875 = 0.000 0.000 + x = 2.18303115 + 2.875 x = 2.18303115 + 2.875 Combine like terms: 2.18303115 + 2.875 = 5.05803115 x = 5.05803115 Simplifying x = 5.05803115

Subproblem 2

x + -2.875 = -2.18303115 Simplifying x + -2.875 = -2.18303115 Reorder the terms: -2.875 + x = -2.18303115 Solving -2.875 + x = -2.18303115 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.875' to each side of the equation. -2.875 + 2.875 + x = -2.18303115 + 2.875 Combine like terms: -2.875 + 2.875 = 0.000 0.000 + x = -2.18303115 + 2.875 x = -2.18303115 + 2.875 Combine like terms: -2.18303115 + 2.875 = 0.69196885 x = 0.69196885 Simplifying x = 0.69196885

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.05803115, 0.69196885}

See similar equations:

| -3+9b+10=7+9b | | -x-2=1+2x | | 4(y-5)=20-y | | -1-10s=-3-10s | | n^2+3n+1=0 | | 2x+93=180 | | 10-9j=8j | | 3x+3(5x-17)=165 | | -4+4p=-3-1+4p | | 1.5-0.24a=0.09+5.1 | | 90x=11 | | 8x^2+24x=10 | | -7y-9=-10-7y | | (n/9)-(5n/18)=(1-9) | | 2x+2(5x+17)=142 | | d-d=0 | | 0=6f-6f | | 7x=21+10y | | x^4-4x^3+4x^2+3=0 | | (x*40)+[(x*.5)*10]=450 | | -5z=-z-4z | | 3n+n-8=39 | | y=6x^2-12x+10 | | x^4-32x^2=2x+3 | | 10x=12.2222222 | | 7b=6 | | 75+5x-5+4x+2=180 | | -2t=9-t | | -8x+10+9x=3+x+7 | | 0.3(x-5)=0.3x+8-2+0.5 | | 4-2x-3=16 | | 1.5n=1.5 |

Equations solver categories