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Simplifying 56x2 + -48x3 + 72x4 + x2 = 0 Reorder the terms: 56x2 + x2 + -48x3 + 72x4 = 0 Combine like terms: 56x2 + x2 = 57x2 57x2 + -48x3 + 72x4 = 0 Solving 57x2 + -48x3 + 72x4 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '3x2'. 3x2(19 + -16x + 24x2) = 0 Ignore the factor 3.Subproblem 1
Set the factor 'x2' equal to zero and attempt to solve: Simplifying x2 = 0 Solving x2 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x2 = 0 Take the square root of each side: x = {0}Subproblem 2
Set the factor '(19 + -16x + 24x2)' equal to zero and attempt to solve: Simplifying 19 + -16x + 24x2 = 0 Solving 19 + -16x + 24x2 = 0 Begin completing the square. Divide all terms by 24 the coefficient of the squared term: Divide each side by '24'. 0.7916666667 + -0.6666666667x + x2 = 0 Move the constant term to the right: Add '-0.7916666667' to each side of the equation. 0.7916666667 + -0.6666666667x + -0.7916666667 + x2 = 0 + -0.7916666667 Reorder the terms: 0.7916666667 + -0.7916666667 + -0.6666666667x + x2 = 0 + -0.7916666667 Combine like terms: 0.7916666667 + -0.7916666667 = 0.0000000000 0.0000000000 + -0.6666666667x + x2 = 0 + -0.7916666667 -0.6666666667x + x2 = 0 + -0.7916666667 Combine like terms: 0 + -0.7916666667 = -0.7916666667 -0.6666666667x + x2 = -0.7916666667 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 = -0.7916666667 + 0.1111111112 Reorder the terms: 0.1111111112 + -0.6666666667x + x2 = -0.7916666667 + 0.1111111112 Combine like terms: -0.7916666667 + 0.1111111112 = -0.6805555555 0.1111111112 + -0.6666666667x + x2 = -0.6805555555 Factor a perfect square on the left side: (x + -0.3333333334)(x + -0.3333333334) = -0.6805555555 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.Solution
x = {0}
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