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Simplifying 0 = (9x + 11)(81x2 + -99x + 121) Reorder the terms: 0 = (11 + 9x)(81x2 + -99x + 121) Reorder the terms: 0 = (11 + 9x)(121 + -99x + 81x2) Multiply (11 + 9x) * (121 + -99x + 81x2) 0 = (11(121 + -99x + 81x2) + 9x * (121 + -99x + 81x2)) 0 = ((121 * 11 + -99x * 11 + 81x2 * 11) + 9x * (121 + -99x + 81x2)) 0 = ((1331 + -1089x + 891x2) + 9x * (121 + -99x + 81x2)) 0 = (1331 + -1089x + 891x2 + (121 * 9x + -99x * 9x + 81x2 * 9x)) 0 = (1331 + -1089x + 891x2 + (1089x + -891x2 + 729x3)) Reorder the terms: 0 = (1331 + -1089x + 1089x + 891x2 + -891x2 + 729x3) Combine like terms: -1089x + 1089x = 0 0 = (1331 + 0 + 891x2 + -891x2 + 729x3) 0 = (1331 + 891x2 + -891x2 + 729x3) Combine like terms: 891x2 + -891x2 = 0 0 = (1331 + 0 + 729x3) 0 = (1331 + 729x3) Solving 0 = 1331 + 729x3 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-729x3' to each side of the equation. 0 + -729x3 = 1331 + 729x3 + -729x3 Remove the zero: -729x3 = 1331 + 729x3 + -729x3 Combine like terms: 729x3 + -729x3 = 0 -729x3 = 1331 + 0 -729x3 = 1331 Divide each side by '-729'. x3 = -1.825788752 Simplifying x3 = -1.825788752 Reorder the terms: 1.825788752 + x3 = -1.825788752 + 1.825788752 Combine like terms: -1.825788752 + 1.825788752 = 0.000000000 1.825788752 + x3 = 0.000000000 The solution to this equation could not be determined.
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