4*x^2-69*x+24=

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Solution for 4*x^2-69*x+24= equation:


Simplifying
4x2 + -69x + 24 = 0

Reorder the terms:
24 + -69x + 4x2 = 0

Solving
24 + -69x + 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'.
6 + -17.25x + x2 = 0

Move the constant term to the right:

Add '-6' to each side of the equation.
6 + -17.25x + -6 + x2 = 0 + -6

Reorder the terms:
6 + -6 + -17.25x + x2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -17.25x + x2 = 0 + -6
-17.25x + x2 = 0 + -6

Combine like terms: 0 + -6 = -6
-17.25x + x2 = -6

The x term is -17.25x.  Take half its coefficient (-8.625).
Square it (74.390625) and add it to both sides.

Add '74.390625' to each side of the equation.
-17.25x + 74.390625 + x2 = -6 + 74.390625

Reorder the terms:
74.390625 + -17.25x + x2 = -6 + 74.390625

Combine like terms: -6 + 74.390625 = 68.390625
74.390625 + -17.25x + x2 = 68.390625

Factor a perfect square on the left side:
(x + -8.625)(x + -8.625) = 68.390625

Calculate the square root of the right side: 8.269862454

Break this problem into two subproblems by setting 
(x + -8.625) equal to 8.269862454 and -8.269862454.

Subproblem 1

x + -8.625 = 8.269862454 Simplifying x + -8.625 = 8.269862454 Reorder the terms: -8.625 + x = 8.269862454 Solving -8.625 + x = 8.269862454 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8.625' to each side of the equation. -8.625 + 8.625 + x = 8.269862454 + 8.625 Combine like terms: -8.625 + 8.625 = 0.000 0.000 + x = 8.269862454 + 8.625 x = 8.269862454 + 8.625 Combine like terms: 8.269862454 + 8.625 = 16.894862454 x = 16.894862454 Simplifying x = 16.894862454

Subproblem 2

x + -8.625 = -8.269862454 Simplifying x + -8.625 = -8.269862454 Reorder the terms: -8.625 + x = -8.269862454 Solving -8.625 + x = -8.269862454 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8.625' to each side of the equation. -8.625 + 8.625 + x = -8.269862454 + 8.625 Combine like terms: -8.625 + 8.625 = 0.000 0.000 + x = -8.269862454 + 8.625 x = -8.269862454 + 8.625 Combine like terms: -8.269862454 + 8.625 = 0.355137546 x = 0.355137546 Simplifying x = 0.355137546

Solution

The solution to the problem is based on the solutions from the subproblems. x = {16.894862454, 0.355137546}

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