2x-5x(3x-10)=7x-5

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Solution for 2x-5x(3x-10)=7x-5 equation:


Simplifying
2x + -5x(3x + -10) = 7x + -5

Reorder the terms:
2x + -5x(-10 + 3x) = 7x + -5
2x + (-10 * -5x + 3x * -5x) = 7x + -5
2x + (50x + -15x2) = 7x + -5

Combine like terms: 2x + 50x = 52x
52x + -15x2 = 7x + -5

Reorder the terms:
52x + -15x2 = -5 + 7x

Solving
52x + -15x2 = -5 + 7x

Solving for variable 'x'.

Reorder the terms:
5 + 52x + -7x + -15x2 = -5 + 7x + 5 + -7x

Combine like terms: 52x + -7x = 45x
5 + 45x + -15x2 = -5 + 7x + 5 + -7x

Reorder the terms:
5 + 45x + -15x2 = -5 + 5 + 7x + -7x

Combine like terms: -5 + 5 = 0
5 + 45x + -15x2 = 0 + 7x + -7x
5 + 45x + -15x2 = 7x + -7x

Combine like terms: 7x + -7x = 0
5 + 45x + -15x2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(1 + 9x + -3x2) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(1 + 9x + -3x2)' equal to zero and attempt to solve: Simplifying 1 + 9x + -3x2 = 0 Solving 1 + 9x + -3x2 = 0 Begin completing the square. Divide all terms by -3 the coefficient of the squared term: Divide each side by '-3'. -0.3333333333 + -3x + x2 = 0 Move the constant term to the right: Add '0.3333333333' to each side of the equation. -0.3333333333 + -3x + 0.3333333333 + x2 = 0 + 0.3333333333 Reorder the terms: -0.3333333333 + 0.3333333333 + -3x + x2 = 0 + 0.3333333333 Combine like terms: -0.3333333333 + 0.3333333333 = 0.0000000000 0.0000000000 + -3x + x2 = 0 + 0.3333333333 -3x + x2 = 0 + 0.3333333333 Combine like terms: 0 + 0.3333333333 = 0.3333333333 -3x + x2 = 0.3333333333 The x term is -3x. Take half its coefficient (-1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. -3x + 2.25 + x2 = 0.3333333333 + 2.25 Reorder the terms: 2.25 + -3x + x2 = 0.3333333333 + 2.25 Combine like terms: 0.3333333333 + 2.25 = 2.5833333333 2.25 + -3x + x2 = 2.5833333333 Factor a perfect square on the left side: (x + -1.5)(x + -1.5) = 2.5833333333 Calculate the square root of the right side: 1.607275127 Break this problem into two subproblems by setting (x + -1.5) equal to 1.607275127 and -1.607275127.

Subproblem 1

x + -1.5 = 1.607275127 Simplifying x + -1.5 = 1.607275127 Reorder the terms: -1.5 + x = 1.607275127 Solving -1.5 + x = 1.607275127 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = 1.607275127 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = 1.607275127 + 1.5 x = 1.607275127 + 1.5 Combine like terms: 1.607275127 + 1.5 = 3.107275127 x = 3.107275127 Simplifying x = 3.107275127

Subproblem 2

x + -1.5 = -1.607275127 Simplifying x + -1.5 = -1.607275127 Reorder the terms: -1.5 + x = -1.607275127 Solving -1.5 + x = -1.607275127 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = -1.607275127 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = -1.607275127 + 1.5 x = -1.607275127 + 1.5 Combine like terms: -1.607275127 + 1.5 = -0.107275127 x = -0.107275127 Simplifying x = -0.107275127

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.107275127, -0.107275127}

Solution

x = {3.107275127, -0.107275127}

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