23x^2-22x-8=0

Simple and best practice solution for 23x^2-22x-8=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 23x^2-22x-8=0 equation:


Simplifying
23x2 + -22x + -8 = 0

Reorder the terms:
-8 + -22x + 23x2 = 0

Solving
-8 + -22x + 23x2 = 0

Solving for variable 'x'.

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

Divide each side by '23'.
-0.347826087 + -0.9565217391x + x2 = 0

Move the constant term to the right:

Add '0.347826087' to each side of the equation.
-0.347826087 + -0.9565217391x + 0.347826087 + x2 = 0 + 0.347826087

Reorder the terms:
-0.347826087 + 0.347826087 + -0.9565217391x + x2 = 0 + 0.347826087

Combine like terms: -0.347826087 + 0.347826087 = 0.000000000
0.000000000 + -0.9565217391x + x2 = 0 + 0.347826087
-0.9565217391x + x2 = 0 + 0.347826087

Combine like terms: 0 + 0.347826087 = 0.347826087
-0.9565217391x + x2 = 0.347826087

The x term is -0.9565217391x.  Take half its coefficient (-0.4782608696).
Square it (0.2287334594) and add it to both sides.

Add '0.2287334594' to each side of the equation.
-0.9565217391x + 0.2287334594 + x2 = 0.347826087 + 0.2287334594

Reorder the terms:
0.2287334594 + -0.9565217391x + x2 = 0.347826087 + 0.2287334594

Combine like terms: 0.347826087 + 0.2287334594 = 0.5765595464
0.2287334594 + -0.9565217391x + x2 = 0.5765595464

Factor a perfect square on the left side:
(x + -0.4782608696)(x + -0.4782608696) = 0.5765595464

Calculate the square root of the right side: 0.759315183

Break this problem into two subproblems by setting 
(x + -0.4782608696) equal to 0.759315183 and -0.759315183.

Subproblem 1

x + -0.4782608696 = 0.759315183 Simplifying x + -0.4782608696 = 0.759315183 Reorder the terms: -0.4782608696 + x = 0.759315183 Solving -0.4782608696 + x = 0.759315183 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4782608696' to each side of the equation. -0.4782608696 + 0.4782608696 + x = 0.759315183 + 0.4782608696 Combine like terms: -0.4782608696 + 0.4782608696 = 0.0000000000 0.0000000000 + x = 0.759315183 + 0.4782608696 x = 0.759315183 + 0.4782608696 Combine like terms: 0.759315183 + 0.4782608696 = 1.2375760526 x = 1.2375760526 Simplifying x = 1.2375760526

Subproblem 2

x + -0.4782608696 = -0.759315183 Simplifying x + -0.4782608696 = -0.759315183 Reorder the terms: -0.4782608696 + x = -0.759315183 Solving -0.4782608696 + x = -0.759315183 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4782608696' to each side of the equation. -0.4782608696 + 0.4782608696 + x = -0.759315183 + 0.4782608696 Combine like terms: -0.4782608696 + 0.4782608696 = 0.0000000000 0.0000000000 + x = -0.759315183 + 0.4782608696 x = -0.759315183 + 0.4782608696 Combine like terms: -0.759315183 + 0.4782608696 = -0.2810543134 x = -0.2810543134 Simplifying x = -0.2810543134

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.2375760526, -0.2810543134}

See similar equations:

| 6+8n=6n+2 | | c=16x+24000 | | 4-2N+2N^2=0 | | x^2-8kx-9=0 | | 5x+1=5-5x-2x | | 4-2N-2N^2=0 | | 4*5/7 | | 3m+3-4m=3 | | 7=-5a-2a | | 16=3v-5+3 | | 5-4p-5=0 | | 5.5-3b=2b+6.25 | | 2m-30=-8(1-3m) | | 10x+4y=134 | | 20x-5=75 | | 20x-5=50 | | 20x-5=100 | | 34-3x=-2-5(x-4) | | x/12=5/13 | | 24-3x=-2-5(x-4) | | 8m-6n+2m+5n= | | 1/4x-5/6=1/4 | | (11x-(5/4)x/(3/2) | | 60x+20y=3600 | | (14b^7)/(7b^14)= | | 2x+12=1024 | | (14b^7)(7b^14)= | | 5x+3y=9.5 | | y=-8x-16x+280 | | 5(-2x+3)+4x-5=-50 | | 4(-4x+3)-2x+1=85 | | 2x^2+28x+98=24 |

Equations solver categories