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Simplifying (2x + 1)(4x + -3) = 16x + -6x + 9 Reorder the terms: (1 + 2x)(4x + -3) = 16x + -6x + 9 Reorder the terms: (1 + 2x)(-3 + 4x) = 16x + -6x + 9 Multiply (1 + 2x) * (-3 + 4x) (1(-3 + 4x) + 2x * (-3 + 4x)) = 16x + -6x + 9 ((-3 * 1 + 4x * 1) + 2x * (-3 + 4x)) = 16x + -6x + 9 ((-3 + 4x) + 2x * (-3 + 4x)) = 16x + -6x + 9 (-3 + 4x + (-3 * 2x + 4x * 2x)) = 16x + -6x + 9 (-3 + 4x + (-6x + 8x2)) = 16x + -6x + 9 Combine like terms: 4x + -6x = -2x (-3 + -2x + 8x2) = 16x + -6x + 9 Reorder the terms: -3 + -2x + 8x2 = 9 + 16x + -6x Combine like terms: 16x + -6x = 10x -3 + -2x + 8x2 = 9 + 10x Solving -3 + -2x + 8x2 = 9 + 10x Solving for variable 'x'. Reorder the terms: -3 + -9 + -2x + -10x + 8x2 = 9 + 10x + -9 + -10x Combine like terms: -3 + -9 = -12 -12 + -2x + -10x + 8x2 = 9 + 10x + -9 + -10x Combine like terms: -2x + -10x = -12x -12 + -12x + 8x2 = 9 + 10x + -9 + -10x Reorder the terms: -12 + -12x + 8x2 = 9 + -9 + 10x + -10x Combine like terms: 9 + -9 = 0 -12 + -12x + 8x2 = 0 + 10x + -10x -12 + -12x + 8x2 = 10x + -10x Combine like terms: 10x + -10x = 0 -12 + -12x + 8x2 = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(-3 + -3x + 2x2) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(-3 + -3x + 2x2)' equal to zero and attempt to solve: Simplifying -3 + -3x + 2x2 = 0 Solving -3 + -3x + 2x2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -1.5 + -1.5x + x2 = 0 Move the constant term to the right: Add '1.5' to each side of the equation. -1.5 + -1.5x + 1.5 + x2 = 0 + 1.5 Reorder the terms: -1.5 + 1.5 + -1.5x + x2 = 0 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + -1.5x + x2 = 0 + 1.5 -1.5x + x2 = 0 + 1.5 Combine like terms: 0 + 1.5 = 1.5 -1.5x + x2 = 1.5 The x term is -1.5x. Take half its coefficient (-0.75). Square it (0.5625) and add it to both sides. Add '0.5625' to each side of the equation. -1.5x + 0.5625 + x2 = 1.5 + 0.5625 Reorder the terms: 0.5625 + -1.5x + x2 = 1.5 + 0.5625 Combine like terms: 1.5 + 0.5625 = 2.0625 0.5625 + -1.5x + x2 = 2.0625 Factor a perfect square on the left side: (x + -0.75)(x + -0.75) = 2.0625 Calculate the square root of the right side: 1.436140662 Break this problem into two subproblems by setting (x + -0.75) equal to 1.436140662 and -1.436140662.Subproblem 1
x + -0.75 = 1.436140662 Simplifying x + -0.75 = 1.436140662 Reorder the terms: -0.75 + x = 1.436140662 Solving -0.75 + x = 1.436140662 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = 1.436140662 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = 1.436140662 + 0.75 x = 1.436140662 + 0.75 Combine like terms: 1.436140662 + 0.75 = 2.186140662 x = 2.186140662 Simplifying x = 2.186140662Subproblem 2
x + -0.75 = -1.436140662 Simplifying x + -0.75 = -1.436140662 Reorder the terms: -0.75 + x = -1.436140662 Solving -0.75 + x = -1.436140662 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = -1.436140662 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = -1.436140662 + 0.75 x = -1.436140662 + 0.75 Combine like terms: -1.436140662 + 0.75 = -0.686140662 x = -0.686140662 Simplifying x = -0.686140662Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.186140662, -0.686140662}Solution
x = {2.186140662, -0.686140662}
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