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Simplifying 2x2 + -2x + 21 = X2 + 6x + 9 Reorder the terms: 21 + -2x + 2x2 = X2 + 6x + 9 Reorder the terms: 21 + -2x + 2x2 = 9 + X2 + 6x Solving 21 + -2x + 2x2 = 9 + X2 + 6x Solving for variable 'x'. Reorder the terms: 21 + -9 + -1X2 + -2x + -6x + 2x2 = 9 + X2 + 6x + -9 + -1X2 + -6x Combine like terms: 21 + -9 = 12 12 + -1X2 + -2x + -6x + 2x2 = 9 + X2 + 6x + -9 + -1X2 + -6x Combine like terms: -2x + -6x = -8x 12 + -1X2 + -8x + 2x2 = 9 + X2 + 6x + -9 + -1X2 + -6x Reorder the terms: 12 + -1X2 + -8x + 2x2 = 9 + -9 + X2 + -1X2 + 6x + -6x Combine like terms: 9 + -9 = 0 12 + -1X2 + -8x + 2x2 = 0 + X2 + -1X2 + 6x + -6x 12 + -1X2 + -8x + 2x2 = X2 + -1X2 + 6x + -6x Combine like terms: X2 + -1X2 = 0 12 + -1X2 + -8x + 2x2 = 0 + 6x + -6x 12 + -1X2 + -8x + 2x2 = 6x + -6x Combine like terms: 6x + -6x = 0 12 + -1X2 + -8x + 2x2 = 0 The solution to this equation could not be determined.
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