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Simplifying 5x2 = 24x + -12.6 Reorder the terms: 5x2 = -12.6 + 24x Solving 5x2 = -12.6 + 24x Solving for variable 'x'. Reorder the terms: 12.6 + -24x + 5x2 = -12.6 + 24x + 12.6 + -24x Reorder the terms: 12.6 + -24x + 5x2 = -12.6 + 12.6 + 24x + -24x Combine like terms: -12.6 + 12.6 = 0.0 12.6 + -24x + 5x2 = 0.0 + 24x + -24x 12.6 + -24x + 5x2 = 24x + -24x Combine like terms: 24x + -24x = 0 12.6 + -24x + 5x2 = 0 Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. 2.52 + -4.8x + x2 = 0 Move the constant term to the right: Add '-2.52' to each side of the equation. 2.52 + -4.8x + -2.52 + x2 = 0 + -2.52 Reorder the terms: 2.52 + -2.52 + -4.8x + x2 = 0 + -2.52 Combine like terms: 2.52 + -2.52 = 0.00 0.00 + -4.8x + x2 = 0 + -2.52 -4.8x + x2 = 0 + -2.52 Combine like terms: 0 + -2.52 = -2.52 -4.8x + x2 = -2.52 The x term is -4.8x. Take half its coefficient (-2.4). Square it (5.76) and add it to both sides. Add '5.76' to each side of the equation. -4.8x + 5.76 + x2 = -2.52 + 5.76 Reorder the terms: 5.76 + -4.8x + x2 = -2.52 + 5.76 Combine like terms: -2.52 + 5.76 = 3.24 5.76 + -4.8x + x2 = 3.24 Factor a perfect square on the left side: (x + -2.4)(x + -2.4) = 3.24 Calculate the square root of the right side: 1.8 Break this problem into two subproblems by setting (x + -2.4) equal to 1.8 and -1.8.Subproblem 1
x + -2.4 = 1.8 Simplifying x + -2.4 = 1.8 Reorder the terms: -2.4 + x = 1.8 Solving -2.4 + x = 1.8 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.4' to each side of the equation. -2.4 + 2.4 + x = 1.8 + 2.4 Combine like terms: -2.4 + 2.4 = 0.0 0.0 + x = 1.8 + 2.4 x = 1.8 + 2.4 Combine like terms: 1.8 + 2.4 = 4.2 x = 4.2 Simplifying x = 4.2Subproblem 2
x + -2.4 = -1.8 Simplifying x + -2.4 = -1.8 Reorder the terms: -2.4 + x = -1.8 Solving -2.4 + x = -1.8 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.4' to each side of the equation. -2.4 + 2.4 + x = -1.8 + 2.4 Combine like terms: -2.4 + 2.4 = 0.0 0.0 + x = -1.8 + 2.4 x = -1.8 + 2.4 Combine like terms: -1.8 + 2.4 = 0.6 x = 0.6 Simplifying x = 0.6Solution
The solution to the problem is based on the solutions from the subproblems. x = {4.2, 0.6}
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