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Simplifying (3x4) + (5x2) + 3 = 0 Reorder the terms: 3 + (5x2) + (3x4) = 0 Solving 3 + (5x2) + (3x4) = 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 + (1.666666667x2) + x4 = 0 Move the constant term to the right: Add '-1' to each side of the equation. 1 + (1.666666667x2) + -1 + x4 = 0 + -1 Reorder the terms: 1 + -1 + (1.666666667x2) + x4 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + (1.666666667x2) + x4 = 0 + -1 (1.666666667x2) + x4 = 0 + -1 Combine like terms: 0 + -1 = -1 (1.666666667x2) + x4 = -1 The x term is (1.666666667x2). Take half its coefficient (0.8333333335). Square it (0.6944444447) and add it to both sides. Add '0.6944444447' to each side of the equation. (1.666666667x2) + 0.6944444447 + x4 = -1 + 0.6944444447 Reorder the terms: 0.6944444447 + (1.666666667x2) + x4 = -1 + 0.6944444447 Combine like terms: -1 + 0.6944444447 = -0.3055555553 0.6944444447 + (1.666666667x2) + x4 = -0.3055555553 Factor a perfect square on the left side: ((x2) + 0.8333333335)((x2) + 0.8333333335) = -0.3055555553 Can't calculate square root of the right side. The solution to this equation could not be determined.
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