x^2-74x-12=

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Solution for x^2-74x-12= equation:


Simplifying
x2 + -74x + -12 = 0

Reorder the terms:
-12 + -74x + x2 = 0

Solving
-12 + -74x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '12' to each side of the equation.
-12 + -74x + 12 + x2 = 0 + 12

Reorder the terms:
-12 + 12 + -74x + x2 = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -74x + x2 = 0 + 12
-74x + x2 = 0 + 12

Combine like terms: 0 + 12 = 12
-74x + x2 = 12

The x term is -74x.  Take half its coefficient (-37).
Square it (1369) and add it to both sides.

Add '1369' to each side of the equation.
-74x + 1369 + x2 = 12 + 1369

Reorder the terms:
1369 + -74x + x2 = 12 + 1369

Combine like terms: 12 + 1369 = 1381
1369 + -74x + x2 = 1381

Factor a perfect square on the left side:
(x + -37)(x + -37) = 1381

Calculate the square root of the right side: 37.161808352

Break this problem into two subproblems by setting 
(x + -37) equal to 37.161808352 and -37.161808352.

Subproblem 1

x + -37 = 37.161808352 Simplifying x + -37 = 37.161808352 Reorder the terms: -37 + x = 37.161808352 Solving -37 + x = 37.161808352 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '37' to each side of the equation. -37 + 37 + x = 37.161808352 + 37 Combine like terms: -37 + 37 = 0 0 + x = 37.161808352 + 37 x = 37.161808352 + 37 Combine like terms: 37.161808352 + 37 = 74.161808352 x = 74.161808352 Simplifying x = 74.161808352

Subproblem 2

x + -37 = -37.161808352 Simplifying x + -37 = -37.161808352 Reorder the terms: -37 + x = -37.161808352 Solving -37 + x = -37.161808352 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '37' to each side of the equation. -37 + 37 + x = -37.161808352 + 37 Combine like terms: -37 + 37 = 0 0 + x = -37.161808352 + 37 x = -37.161808352 + 37 Combine like terms: -37.161808352 + 37 = -0.161808352 x = -0.161808352 Simplifying x = -0.161808352

Solution

The solution to the problem is based on the solutions from the subproblems. x = {74.161808352, -0.161808352}

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