X(X-14)=-43

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Solution for X(X-14)=-43 equation:


Simplifying
X(X + -14) = -43

Reorder the terms:
X(-14 + X) = -43
(-14 * X + X * X) = -43
(-14X + X2) = -43

Solving
-14X + X2 = -43

Solving for variable 'X'.

Reorder the terms:
43 + -14X + X2 = -43 + 43

Combine like terms: -43 + 43 = 0
43 + -14X + X2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-43' to each side of the equation.
43 + -14X + -43 + X2 = 0 + -43

Reorder the terms:
43 + -43 + -14X + X2 = 0 + -43

Combine like terms: 43 + -43 = 0
0 + -14X + X2 = 0 + -43
-14X + X2 = 0 + -43

Combine like terms: 0 + -43 = -43
-14X + X2 = -43

The X term is -14X.  Take half its coefficient (-7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
-14X + 49 + X2 = -43 + 49

Reorder the terms:
49 + -14X + X2 = -43 + 49

Combine like terms: -43 + 49 = 6
49 + -14X + X2 = 6

Factor a perfect square on the left side:
(X + -7)(X + -7) = 6

Calculate the square root of the right side: 2.449489743

Break this problem into two subproblems by setting 
(X + -7) equal to 2.449489743 and -2.449489743.

Subproblem 1

X + -7 = 2.449489743 Simplifying X + -7 = 2.449489743 Reorder the terms: -7 + X = 2.449489743 Solving -7 + X = 2.449489743 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + X = 2.449489743 + 7 Combine like terms: -7 + 7 = 0 0 + X = 2.449489743 + 7 X = 2.449489743 + 7 Combine like terms: 2.449489743 + 7 = 9.449489743 X = 9.449489743 Simplifying X = 9.449489743

Subproblem 2

X + -7 = -2.449489743 Simplifying X + -7 = -2.449489743 Reorder the terms: -7 + X = -2.449489743 Solving -7 + X = -2.449489743 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + X = -2.449489743 + 7 Combine like terms: -7 + 7 = 0 0 + X = -2.449489743 + 7 X = -2.449489743 + 7 Combine like terms: -2.449489743 + 7 = 4.550510257 X = 4.550510257 Simplifying X = 4.550510257

Solution

The solution to the problem is based on the solutions from the subproblems. X = {9.449489743, 4.550510257}

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