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Simplifying 7(x2 + 1) + -1y(x2 + 1) = 0 Reorder the terms: 7(1 + x2) + -1y(x2 + 1) = 0 (1 * 7 + x2 * 7) + -1y(x2 + 1) = 0 (7 + 7x2) + -1y(x2 + 1) = 0 Reorder the terms: 7 + 7x2 + -1y(1 + x2) = 0 7 + 7x2 + (1 * -1y + x2 * -1y) = 0 Reorder the terms: 7 + 7x2 + (-1x2y + -1y) = 0 7 + 7x2 + (-1x2y + -1y) = 0 Solving 7 + 7x2 + -1x2y + -1y = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + 7x2 + -1x2y + -7 + -1y = 0 + -7 Reorder the terms: 7 + -7 + 7x2 + -1x2y + -1y = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 7x2 + -1x2y + -1y = 0 + -7 7x2 + -1x2y + -1y = 0 + -7 Combine like terms: 0 + -7 = -7 7x2 + -1x2y + -1y = -7 Add 'y' to each side of the equation. 7x2 + -1x2y + -1y + y = -7 + y Combine like terms: -1y + y = 0 7x2 + -1x2y + 0 = -7 + y 7x2 + -1x2y = -7 + y Reorder the terms: 7 + 7x2 + -1x2y + -1y = -7 + y + 7 + -1y Reorder the terms: 7 + 7x2 + -1x2y + -1y = -7 + 7 + y + -1y Combine like terms: -7 + 7 = 0 7 + 7x2 + -1x2y + -1y = 0 + y + -1y 7 + 7x2 + -1x2y + -1y = y + -1y Combine like terms: y + -1y = 0 7 + 7x2 + -1x2y + -1y = 0 The solution to this equation could not be determined.
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