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Simplifying 6x(7x2 + -9x + 8) = 0 Reorder the terms: 6x(8 + -9x + 7x2) = 0 (8 * 6x + -9x * 6x + 7x2 * 6x) = 0 (48x + -54x2 + 42x3) = 0 Solving 48x + -54x2 + 42x3 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '6x'. 6x(8 + -9x + 7x2) = 0 Ignore the factor 6.Subproblem 1
Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0Subproblem 2
Set the factor '(8 + -9x + 7x2)' equal to zero and attempt to solve: Simplifying 8 + -9x + 7x2 = 0 Solving 8 + -9x + 7x2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. 1.142857143 + -1.285714286x + x2 = 0 Move the constant term to the right: Add '-1.142857143' to each side of the equation. 1.142857143 + -1.285714286x + -1.142857143 + x2 = 0 + -1.142857143 Reorder the terms: 1.142857143 + -1.142857143 + -1.285714286x + x2 = 0 + -1.142857143 Combine like terms: 1.142857143 + -1.142857143 = 0.000000000 0.000000000 + -1.285714286x + x2 = 0 + -1.142857143 -1.285714286x + x2 = 0 + -1.142857143 Combine like terms: 0 + -1.142857143 = -1.142857143 -1.285714286x + x2 = -1.142857143 The x term is -1.285714286x. Take half its coefficient (-0.642857143). Square it (0.4132653063) and add it to both sides. Add '0.4132653063' to each side of the equation. -1.285714286x + 0.4132653063 + x2 = -1.142857143 + 0.4132653063 Reorder the terms: 0.4132653063 + -1.285714286x + x2 = -1.142857143 + 0.4132653063 Combine like terms: -1.142857143 + 0.4132653063 = -0.7295918367 0.4132653063 + -1.285714286x + x2 = -0.7295918367 Factor a perfect square on the left side: (x + -0.642857143)(x + -0.642857143) = -0.7295918367 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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