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Simplifying (-1y)(9x2 + y + 8) = 0 Remove parenthesis around (-1y) -1y(9x2 + y + 8) = 0 Reorder the terms: -1y(8 + 9x2 + y) = 0 (8 * -1y + 9x2 * -1y + y * -1y) = 0 Reorder the terms: (-9x2y + -8y + -1y2) = 0 (-9x2y + -8y + -1y2) = 0 Solving -9x2y + -8y + -1y2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8y' to each side of the equation. -9x2y + -8y + 8y + -1y2 = 0 + 8y Combine like terms: -8y + 8y = 0 -9x2y + 0 + -1y2 = 0 + 8y -9x2y + -1y2 = 0 + 8y Remove the zero: -9x2y + -1y2 = 8y Add 'y2' to each side of the equation. -9x2y + -1y2 + y2 = 8y + y2 Combine like terms: -1y2 + y2 = 0 -9x2y + 0 = 8y + y2 -9x2y = 8y + y2 Divide each side by '-9y'. x2 = -0.8888888889 + -0.1111111111y Simplifying x2 = -0.8888888889 + -0.1111111111y Reorder the terms: 0.8888888889 + x2 + 0.1111111111y = -0.8888888889 + -0.1111111111y + 0.8888888889 + 0.1111111111y Reorder the terms: 0.8888888889 + x2 + 0.1111111111y = -0.8888888889 + 0.8888888889 + -0.1111111111y + 0.1111111111y Combine like terms: -0.8888888889 + 0.8888888889 = 0.0000000000 0.8888888889 + x2 + 0.1111111111y = 0.0000000000 + -0.1111111111y + 0.1111111111y 0.8888888889 + x2 + 0.1111111111y = -0.1111111111y + 0.1111111111y Combine like terms: -0.1111111111y + 0.1111111111y = 0.0000000000 0.8888888889 + x2 + 0.1111111111y = 0.0000000000 The solution to this equation could not be determined.
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