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Simplifying 4x2 + -8y + -21 = 0 Reorder the terms: -21 + 4x2 + -8y = 0 Solving -21 + 4x2 + -8y = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '21' to each side of the equation. -21 + 4x2 + 21 + -8y = 0 + 21 Reorder the terms: -21 + 21 + 4x2 + -8y = 0 + 21 Combine like terms: -21 + 21 = 0 0 + 4x2 + -8y = 0 + 21 4x2 + -8y = 0 + 21 Combine like terms: 0 + 21 = 21 4x2 + -8y = 21 Add '8y' to each side of the equation. 4x2 + -8y + 8y = 21 + 8y Combine like terms: -8y + 8y = 0 4x2 + 0 = 21 + 8y 4x2 = 21 + 8y Divide each side by '4'. x2 = 5.25 + 2y Simplifying x2 = 5.25 + 2y Reorder the terms: -5.25 + x2 + -2y = 5.25 + 2y + -5.25 + -2y Reorder the terms: -5.25 + x2 + -2y = 5.25 + -5.25 + 2y + -2y Combine like terms: 5.25 + -5.25 = 0.00 -5.25 + x2 + -2y = 0.00 + 2y + -2y -5.25 + x2 + -2y = 2y + -2y Combine like terms: 2y + -2y = 0 -5.25 + x2 + -2y = 0 The solution to this equation could not be determined.
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