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Simplifying 4x2 + 21y + 5 = 0 Reorder the terms: 5 + 4x2 + 21y = 0 Solving 5 + 4x2 + 21y = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + 4x2 + -5 + 21y = 0 + -5 Reorder the terms: 5 + -5 + 4x2 + 21y = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 4x2 + 21y = 0 + -5 4x2 + 21y = 0 + -5 Combine like terms: 0 + -5 = -5 4x2 + 21y = -5 Add '-21y' to each side of the equation. 4x2 + 21y + -21y = -5 + -21y Combine like terms: 21y + -21y = 0 4x2 + 0 = -5 + -21y 4x2 = -5 + -21y Divide each side by '4'. x2 = -1.25 + -5.25y Simplifying x2 = -1.25 + -5.25y Reorder the terms: 1.25 + x2 + 5.25y = -1.25 + -5.25y + 1.25 + 5.25y Reorder the terms: 1.25 + x2 + 5.25y = -1.25 + 1.25 + -5.25y + 5.25y Combine like terms: -1.25 + 1.25 = 0.00 1.25 + x2 + 5.25y = 0.00 + -5.25y + 5.25y 1.25 + x2 + 5.25y = -5.25y + 5.25y Combine like terms: -5.25y + 5.25y = 0.00 1.25 + x2 + 5.25y = 0.00 The solution to this equation could not be determined.
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