2x^2-10x+3=17

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Solution for 2x^2-10x+3=17 equation:


Simplifying
2x2 + -10x + 3 = 17

Reorder the terms:
3 + -10x + 2x2 = 17

Solving
3 + -10x + 2x2 = 17

Solving for variable 'x'.

Reorder the terms:
3 + -17 + -10x + 2x2 = 17 + -17

Combine like terms: 3 + -17 = -14
-14 + -10x + 2x2 = 17 + -17

Combine like terms: 17 + -17 = 0
-14 + -10x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-7 + -5x + x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-7 + -5x + x2)' equal to zero and attempt to solve: Simplifying -7 + -5x + x2 = 0 Solving -7 + -5x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '7' to each side of the equation. -7 + -5x + 7 + x2 = 0 + 7 Reorder the terms: -7 + 7 + -5x + x2 = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -5x + x2 = 0 + 7 -5x + x2 = 0 + 7 Combine like terms: 0 + 7 = 7 -5x + x2 = 7 The x term is -5x. Take half its coefficient (-2.5). Square it (6.25) and add it to both sides. Add '6.25' to each side of the equation. -5x + 6.25 + x2 = 7 + 6.25 Reorder the terms: 6.25 + -5x + x2 = 7 + 6.25 Combine like terms: 7 + 6.25 = 13.25 6.25 + -5x + x2 = 13.25 Factor a perfect square on the left side: (x + -2.5)(x + -2.5) = 13.25 Calculate the square root of the right side: 3.640054945 Break this problem into two subproblems by setting (x + -2.5) equal to 3.640054945 and -3.640054945.

Subproblem 1

x + -2.5 = 3.640054945 Simplifying x + -2.5 = 3.640054945 Reorder the terms: -2.5 + x = 3.640054945 Solving -2.5 + x = 3.640054945 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = 3.640054945 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = 3.640054945 + 2.5 x = 3.640054945 + 2.5 Combine like terms: 3.640054945 + 2.5 = 6.140054945 x = 6.140054945 Simplifying x = 6.140054945

Subproblem 2

x + -2.5 = -3.640054945 Simplifying x + -2.5 = -3.640054945 Reorder the terms: -2.5 + x = -3.640054945 Solving -2.5 + x = -3.640054945 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = -3.640054945 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = -3.640054945 + 2.5 x = -3.640054945 + 2.5 Combine like terms: -3.640054945 + 2.5 = -1.140054945 x = -1.140054945 Simplifying x = -1.140054945

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.140054945, -1.140054945}

Solution

x = {6.140054945, -1.140054945}

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