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Simplifying 2(3x2 + 4x + 5) = 0 Reorder the terms: 2(5 + 4x + 3x2) = 0 (5 * 2 + 4x * 2 + 3x2 * 2) = 0 (10 + 8x + 6x2) = 0 Solving 10 + 8x + 6x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2'. 2(5 + 4x + 3x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(5 + 4x + 3x2)' equal to zero and attempt to solve: Simplifying 5 + 4x + 3x2 = 0 Solving 5 + 4x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. 1.666666667 + 1.333333333x + x2 = 0 Move the constant term to the right: Add '-1.666666667' to each side of the equation. 1.666666667 + 1.333333333x + -1.666666667 + x2 = 0 + -1.666666667 Reorder the terms: 1.666666667 + -1.666666667 + 1.333333333x + x2 = 0 + -1.666666667 Combine like terms: 1.666666667 + -1.666666667 = 0.000000000 0.000000000 + 1.333333333x + x2 = 0 + -1.666666667 1.333333333x + x2 = 0 + -1.666666667 Combine like terms: 0 + -1.666666667 = -1.666666667 1.333333333x + x2 = -1.666666667 The x term is 1.333333333x. Take half its coefficient (0.6666666665). Square it (0.4444444442) and add it to both sides. Add '0.4444444442' to each side of the equation. 1.333333333x + 0.4444444442 + x2 = -1.666666667 + 0.4444444442 Reorder the terms: 0.4444444442 + 1.333333333x + x2 = -1.666666667 + 0.4444444442 Combine like terms: -1.666666667 + 0.4444444442 = -1.2222222228 0.4444444442 + 1.333333333x + x2 = -1.2222222228 Factor a perfect square on the left side: (x + 0.6666666665)(x + 0.6666666665) = -1.2222222228 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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