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Simplifying 16X2 + 48X = 20 Reorder the terms: 48X + 16X2 = 20 Solving 48X + 16X2 = 20 Solving for variable 'X'. Reorder the terms: -20 + 48X + 16X2 = 20 + -20 Combine like terms: 20 + -20 = 0 -20 + 48X + 16X2 = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(-5 + 12X + 4X2) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(-5 + 12X + 4X2)' equal to zero and attempt to solve: Simplifying -5 + 12X + 4X2 = 0 Solving -5 + 12X + 4X2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. -1.25 + 3X + X2 = 0 Move the constant term to the right: Add '1.25' to each side of the equation. -1.25 + 3X + 1.25 + X2 = 0 + 1.25 Reorder the terms: -1.25 + 1.25 + 3X + X2 = 0 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + 3X + X2 = 0 + 1.25 3X + X2 = 0 + 1.25 Combine like terms: 0 + 1.25 = 1.25 3X + X2 = 1.25 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 = 1.25 + 2.25 Reorder the terms: 2.25 + 3X + X2 = 1.25 + 2.25 Combine like terms: 1.25 + 2.25 = 3.5 2.25 + 3X + X2 = 3.5 Factor a perfect square on the left side: (X + 1.5)(X + 1.5) = 3.5 Calculate the square root of the right side: 1.870828693 Break this problem into two subproblems by setting (X + 1.5) equal to 1.870828693 and -1.870828693.Subproblem 1
X + 1.5 = 1.870828693 Simplifying X + 1.5 = 1.870828693 Reorder the terms: 1.5 + X = 1.870828693 Solving 1.5 + X = 1.870828693 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 = 1.870828693 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + X = 1.870828693 + -1.5 X = 1.870828693 + -1.5 Combine like terms: 1.870828693 + -1.5 = 0.370828693 X = 0.370828693 Simplifying X = 0.370828693Subproblem 2
X + 1.5 = -1.870828693 Simplifying X + 1.5 = -1.870828693 Reorder the terms: 1.5 + X = -1.870828693 Solving 1.5 + X = -1.870828693 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 = -1.870828693 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + X = -1.870828693 + -1.5 X = -1.870828693 + -1.5 Combine like terms: -1.870828693 + -1.5 = -3.370828693 X = -3.370828693 Simplifying X = -3.370828693Solution
The solution to the problem is based on the solutions from the subproblems. X = {0.370828693, -3.370828693}Solution
X = {0.370828693, -3.370828693}
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