30x^2-38x+12=20x^2-14x+2

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Solution for 30x^2-38x+12=20x^2-14x+2 equation:


Simplifying
30x2 + -38x + 12 = 20x2 + -14x + 2

Reorder the terms:
12 + -38x + 30x2 = 20x2 + -14x + 2

Reorder the terms:
12 + -38x + 30x2 = 2 + -14x + 20x2

Solving
12 + -38x + 30x2 = 2 + -14x + 20x2

Solving for variable 'x'.

Reorder the terms:
12 + -2 + -38x + 14x + 30x2 + -20x2 = 2 + -14x + 20x2 + -2 + 14x + -20x2

Combine like terms: 12 + -2 = 10
10 + -38x + 14x + 30x2 + -20x2 = 2 + -14x + 20x2 + -2 + 14x + -20x2

Combine like terms: -38x + 14x = -24x
10 + -24x + 30x2 + -20x2 = 2 + -14x + 20x2 + -2 + 14x + -20x2

Combine like terms: 30x2 + -20x2 = 10x2
10 + -24x + 10x2 = 2 + -14x + 20x2 + -2 + 14x + -20x2

Reorder the terms:
10 + -24x + 10x2 = 2 + -2 + -14x + 14x + 20x2 + -20x2

Combine like terms: 2 + -2 = 0
10 + -24x + 10x2 = 0 + -14x + 14x + 20x2 + -20x2
10 + -24x + 10x2 = -14x + 14x + 20x2 + -20x2

Combine like terms: -14x + 14x = 0
10 + -24x + 10x2 = 0 + 20x2 + -20x2
10 + -24x + 10x2 = 20x2 + -20x2

Combine like terms: 20x2 + -20x2 = 0
10 + -24x + 10x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(5 + -12x + 5x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(5 + -12x + 5x2)' equal to zero and attempt to solve: Simplifying 5 + -12x + 5x2 = 0 Solving 5 + -12x + 5x2 = 0 Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. 1 + -2.4x + x2 = 0 Move the constant term to the right: Add '-1' to each side of the equation. 1 + -2.4x + -1 + x2 = 0 + -1 Reorder the terms: 1 + -1 + -2.4x + x2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2.4x + x2 = 0 + -1 -2.4x + x2 = 0 + -1 Combine like terms: 0 + -1 = -1 -2.4x + x2 = -1 The x term is -2.4x. Take half its coefficient (-1.2). Square it (1.44) and add it to both sides. Add '1.44' to each side of the equation. -2.4x + 1.44 + x2 = -1 + 1.44 Reorder the terms: 1.44 + -2.4x + x2 = -1 + 1.44 Combine like terms: -1 + 1.44 = 0.44 1.44 + -2.4x + x2 = 0.44 Factor a perfect square on the left side: (x + -1.2)(x + -1.2) = 0.44 Calculate the square root of the right side: 0.663324958 Break this problem into two subproblems by setting (x + -1.2) equal to 0.663324958 and -0.663324958.

Subproblem 1

x + -1.2 = 0.663324958 Simplifying x + -1.2 = 0.663324958 Reorder the terms: -1.2 + x = 0.663324958 Solving -1.2 + x = 0.663324958 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.2' to each side of the equation. -1.2 + 1.2 + x = 0.663324958 + 1.2 Combine like terms: -1.2 + 1.2 = 0.0 0.0 + x = 0.663324958 + 1.2 x = 0.663324958 + 1.2 Combine like terms: 0.663324958 + 1.2 = 1.863324958 x = 1.863324958 Simplifying x = 1.863324958

Subproblem 2

x + -1.2 = -0.663324958 Simplifying x + -1.2 = -0.663324958 Reorder the terms: -1.2 + x = -0.663324958 Solving -1.2 + x = -0.663324958 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.2' to each side of the equation. -1.2 + 1.2 + x = -0.663324958 + 1.2 Combine like terms: -1.2 + 1.2 = 0.0 0.0 + x = -0.663324958 + 1.2 x = -0.663324958 + 1.2 Combine like terms: -0.663324958 + 1.2 = 0.536675042 x = 0.536675042 Simplifying x = 0.536675042

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.863324958, 0.536675042}

Solution

x = {1.863324958, 0.536675042}

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