d^2-24d+144=14

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Solution for d^2-24d+144=14 equation:


Simplifying
d2 + -24d + 144 = 14

Reorder the terms:
144 + -24d + d2 = 14

Solving
144 + -24d + d2 = 14

Solving for variable 'd'.

Reorder the terms:
144 + -14 + -24d + d2 = 14 + -14

Combine like terms: 144 + -14 = 130
130 + -24d + d2 = 14 + -14

Combine like terms: 14 + -14 = 0
130 + -24d + d2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-130' to each side of the equation.
130 + -24d + -130 + d2 = 0 + -130

Reorder the terms:
130 + -130 + -24d + d2 = 0 + -130

Combine like terms: 130 + -130 = 0
0 + -24d + d2 = 0 + -130
-24d + d2 = 0 + -130

Combine like terms: 0 + -130 = -130
-24d + d2 = -130

The d term is -24d.  Take half its coefficient (-12).
Square it (144) and add it to both sides.

Add '144' to each side of the equation.
-24d + 144 + d2 = -130 + 144

Reorder the terms:
144 + -24d + d2 = -130 + 144

Combine like terms: -130 + 144 = 14
144 + -24d + d2 = 14

Factor a perfect square on the left side:
(d + -12)(d + -12) = 14

Calculate the square root of the right side: 3.741657387

Break this problem into two subproblems by setting 
(d + -12) equal to 3.741657387 and -3.741657387.

Subproblem 1

d + -12 = 3.741657387 Simplifying d + -12 = 3.741657387 Reorder the terms: -12 + d = 3.741657387 Solving -12 + d = 3.741657387 Solving for variable 'd'. Move all terms containing d to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + d = 3.741657387 + 12 Combine like terms: -12 + 12 = 0 0 + d = 3.741657387 + 12 d = 3.741657387 + 12 Combine like terms: 3.741657387 + 12 = 15.741657387 d = 15.741657387 Simplifying d = 15.741657387

Subproblem 2

d + -12 = -3.741657387 Simplifying d + -12 = -3.741657387 Reorder the terms: -12 + d = -3.741657387 Solving -12 + d = -3.741657387 Solving for variable 'd'. Move all terms containing d to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + d = -3.741657387 + 12 Combine like terms: -12 + 12 = 0 0 + d = -3.741657387 + 12 d = -3.741657387 + 12 Combine like terms: -3.741657387 + 12 = 8.258342613 d = 8.258342613 Simplifying d = 8.258342613

Solution

The solution to the problem is based on the solutions from the subproblems. d = {15.741657387, 8.258342613}

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