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Simplifying 3x2 + 29x + -4.5 = 0 Reorder the terms: -4.5 + 29x + 3x2 = 0 Solving -4.5 + 29x + 3x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -1.5 + 9.666666667x + x2 = 0 Move the constant term to the right: Add '1.5' to each side of the equation. -1.5 + 9.666666667x + 1.5 + x2 = 0 + 1.5 Reorder the terms: -1.5 + 1.5 + 9.666666667x + x2 = 0 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + 9.666666667x + x2 = 0 + 1.5 9.666666667x + x2 = 0 + 1.5 Combine like terms: 0 + 1.5 = 1.5 9.666666667x + x2 = 1.5 The x term is 9.666666667x. Take half its coefficient (4.833333334). Square it (23.36111112) and add it to both sides. Add '23.36111112' to each side of the equation. 9.666666667x + 23.36111112 + x2 = 1.5 + 23.36111112 Reorder the terms: 23.36111112 + 9.666666667x + x2 = 1.5 + 23.36111112 Combine like terms: 1.5 + 23.36111112 = 24.86111112 23.36111112 + 9.666666667x + x2 = 24.86111112 Factor a perfect square on the left side: (x + 4.833333334)(x + 4.833333334) = 24.86111112 Calculate the square root of the right side: 4.986091768 Break this problem into two subproblems by setting (x + 4.833333334) equal to 4.986091768 and -4.986091768.Subproblem 1
x + 4.833333334 = 4.986091768 Simplifying x + 4.833333334 = 4.986091768 Reorder the terms: 4.833333334 + x = 4.986091768 Solving 4.833333334 + x = 4.986091768 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.833333334' to each side of the equation. 4.833333334 + -4.833333334 + x = 4.986091768 + -4.833333334 Combine like terms: 4.833333334 + -4.833333334 = 0.000000000 0.000000000 + x = 4.986091768 + -4.833333334 x = 4.986091768 + -4.833333334 Combine like terms: 4.986091768 + -4.833333334 = 0.152758434 x = 0.152758434 Simplifying x = 0.152758434Subproblem 2
x + 4.833333334 = -4.986091768 Simplifying x + 4.833333334 = -4.986091768 Reorder the terms: 4.833333334 + x = -4.986091768 Solving 4.833333334 + x = -4.986091768 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.833333334' to each side of the equation. 4.833333334 + -4.833333334 + x = -4.986091768 + -4.833333334 Combine like terms: 4.833333334 + -4.833333334 = 0.000000000 0.000000000 + x = -4.986091768 + -4.833333334 x = -4.986091768 + -4.833333334 Combine like terms: -4.986091768 + -4.833333334 = -9.819425102 x = -9.819425102 Simplifying x = -9.819425102Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.152758434, -9.819425102}
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