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Simplifying 3x2 + -21y = 0 Solving 3x2 + -21y = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '21y' to each side of the equation. 3x2 + -21y + 21y = 0 + 21y Combine like terms: -21y + 21y = 0 3x2 + 0 = 0 + 21y 3x2 = 0 + 21y Remove the zero: 3x2 = 21y Divide each side by '3'. x2 = 7y Simplifying x2 = 7y Combine like terms: 7y + -7y = 0 x2 + -7y = 0 The solution to this equation could not be determined.
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