19x^2-209=17*6x-53

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Solution for 19x^2-209=17*6x-53 equation:


Simplifying
19x2 + -209 = 17 * 6x + -53

Reorder the terms:
-209 + 19x2 = 17 * 6x + -53

Multiply 17 * 6
-209 + 19x2 = 102x + -53

Reorder the terms:
-209 + 19x2 = -53 + 102x

Solving
-209 + 19x2 = -53 + 102x

Solving for variable 'x'.

Reorder the terms:
-209 + 53 + -102x + 19x2 = -53 + 102x + 53 + -102x

Combine like terms: -209 + 53 = -156
-156 + -102x + 19x2 = -53 + 102x + 53 + -102x

Reorder the terms:
-156 + -102x + 19x2 = -53 + 53 + 102x + -102x

Combine like terms: -53 + 53 = 0
-156 + -102x + 19x2 = 0 + 102x + -102x
-156 + -102x + 19x2 = 102x + -102x

Combine like terms: 102x + -102x = 0
-156 + -102x + 19x2 = 0

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

Divide each side by '19'.
-8.210526316 + -5.368421053x + x2 = 0

Move the constant term to the right:

Add '8.210526316' to each side of the equation.
-8.210526316 + -5.368421053x + 8.210526316 + x2 = 0 + 8.210526316

Reorder the terms:
-8.210526316 + 8.210526316 + -5.368421053x + x2 = 0 + 8.210526316

Combine like terms: -8.210526316 + 8.210526316 = 0.000000000
0.000000000 + -5.368421053x + x2 = 0 + 8.210526316
-5.368421053x + x2 = 0 + 8.210526316

Combine like terms: 0 + 8.210526316 = 8.210526316
-5.368421053x + x2 = 8.210526316

The x term is -5.368421053x.  Take half its coefficient (-2.684210527).
Square it (7.204986153) and add it to both sides.

Add '7.204986153' to each side of the equation.
-5.368421053x + 7.204986153 + x2 = 8.210526316 + 7.204986153

Reorder the terms:
7.204986153 + -5.368421053x + x2 = 8.210526316 + 7.204986153

Combine like terms: 8.210526316 + 7.204986153 = 15.415512469
7.204986153 + -5.368421053x + x2 = 15.415512469

Factor a perfect square on the left side:
(x + -2.684210527)(x + -2.684210527) = 15.415512469

Calculate the square root of the right side: 3.926259348

Break this problem into two subproblems by setting 
(x + -2.684210527) equal to 3.926259348 and -3.926259348.

Subproblem 1

x + -2.684210527 = 3.926259348 Simplifying x + -2.684210527 = 3.926259348 Reorder the terms: -2.684210527 + x = 3.926259348 Solving -2.684210527 + x = 3.926259348 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.684210527' to each side of the equation. -2.684210527 + 2.684210527 + x = 3.926259348 + 2.684210527 Combine like terms: -2.684210527 + 2.684210527 = 0.000000000 0.000000000 + x = 3.926259348 + 2.684210527 x = 3.926259348 + 2.684210527 Combine like terms: 3.926259348 + 2.684210527 = 6.610469875 x = 6.610469875 Simplifying x = 6.610469875

Subproblem 2

x + -2.684210527 = -3.926259348 Simplifying x + -2.684210527 = -3.926259348 Reorder the terms: -2.684210527 + x = -3.926259348 Solving -2.684210527 + x = -3.926259348 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.684210527' to each side of the equation. -2.684210527 + 2.684210527 + x = -3.926259348 + 2.684210527 Combine like terms: -2.684210527 + 2.684210527 = 0.000000000 0.000000000 + x = -3.926259348 + 2.684210527 x = -3.926259348 + 2.684210527 Combine like terms: -3.926259348 + 2.684210527 = -1.242048821 x = -1.242048821 Simplifying x = -1.242048821

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.610469875, -1.242048821}

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