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Simplifying 15x2 + 10x + 50 = 0 Reorder the terms: 50 + 10x + 15x2 = 0 Solving 50 + 10x + 15x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '5'. 5(10 + 2x + 3x2) = 0 Ignore the factor 5.Subproblem 1
Set the factor '(10 + 2x + 3x2)' equal to zero and attempt to solve: Simplifying 10 + 2x + 3x2 = 0 Solving 10 + 2x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. 3.333333333 + 0.6666666667x + x2 = 0 Move the constant term to the right: Add '-3.333333333' to each side of the equation. 3.333333333 + 0.6666666667x + -3.333333333 + x2 = 0 + -3.333333333 Reorder the terms: 3.333333333 + -3.333333333 + 0.6666666667x + x2 = 0 + -3.333333333 Combine like terms: 3.333333333 + -3.333333333 = 0.000000000 0.000000000 + 0.6666666667x + x2 = 0 + -3.333333333 0.6666666667x + x2 = 0 + -3.333333333 Combine like terms: 0 + -3.333333333 = -3.333333333 0.6666666667x + x2 = -3.333333333 The x term is 0.6666666667x. Take half its coefficient (0.3333333334). Square it (0.1111111112) and add it to both sides. Add '0.1111111112' to each side of the equation. 0.6666666667x + 0.1111111112 + x2 = -3.333333333 + 0.1111111112 Reorder the terms: 0.1111111112 + 0.6666666667x + x2 = -3.333333333 + 0.1111111112 Combine like terms: -3.333333333 + 0.1111111112 = -3.2222222218 0.1111111112 + 0.6666666667x + x2 = -3.2222222218 Factor a perfect square on the left side: (x + 0.3333333334)(x + 0.3333333334) = -3.2222222218 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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