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Simplifying 5x2(x + -2) = 3x Reorder the terms: 5x2(-2 + x) = 3x (-2 * 5x2 + x * 5x2) = 3x (-10x2 + 5x3) = 3x Solving -10x2 + 5x3 = 3x Solving for variable 'x'. Reorder the terms: -3x + -10x2 + 5x3 = 3x + -3x Combine like terms: 3x + -3x = 0 -3x + -10x2 + 5x3 = 0 Factor out the Greatest Common Factor (GCF), 'x'. x(-3 + -10x + 5x2) = 0Subproblem 1
Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0Subproblem 2
Set the factor '(-3 + -10x + 5x2)' equal to zero and attempt to solve: Simplifying -3 + -10x + 5x2 = 0 Solving -3 + -10x + 5x2 = 0 Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. -0.6 + -2x + x2 = 0 Move the constant term to the right: Add '0.6' to each side of the equation. -0.6 + -2x + 0.6 + x2 = 0 + 0.6 Reorder the terms: -0.6 + 0.6 + -2x + x2 = 0 + 0.6 Combine like terms: -0.6 + 0.6 = 0.0 0.0 + -2x + x2 = 0 + 0.6 -2x + x2 = 0 + 0.6 Combine like terms: 0 + 0.6 = 0.6 -2x + x2 = 0.6 The x term is -2x. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2x + 1 + x2 = 0.6 + 1 Reorder the terms: 1 + -2x + x2 = 0.6 + 1 Combine like terms: 0.6 + 1 = 1.6 1 + -2x + x2 = 1.6 Factor a perfect square on the left side: (x + -1)(x + -1) = 1.6 Calculate the square root of the right side: 1.264911064 Break this problem into two subproblems by setting (x + -1) equal to 1.264911064 and -1.264911064.Subproblem 1
x + -1 = 1.264911064 Simplifying x + -1 = 1.264911064 Reorder the terms: -1 + x = 1.264911064 Solving -1 + x = 1.264911064 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 1.264911064 + 1 Combine like terms: -1 + 1 = 0 0 + x = 1.264911064 + 1 x = 1.264911064 + 1 Combine like terms: 1.264911064 + 1 = 2.264911064 x = 2.264911064 Simplifying x = 2.264911064Subproblem 2
x + -1 = -1.264911064 Simplifying x + -1 = -1.264911064 Reorder the terms: -1 + x = -1.264911064 Solving -1 + x = -1.264911064 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -1.264911064 + 1 Combine like terms: -1 + 1 = 0 0 + x = -1.264911064 + 1 x = -1.264911064 + 1 Combine like terms: -1.264911064 + 1 = -0.264911064 x = -0.264911064 Simplifying x = -0.264911064Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.264911064, -0.264911064}Solution
x = {0, 2.264911064, -0.264911064}
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