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Simplifying 21 + X2 + -10x = 0 Solving 21 + X2 + -10x = 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 + X2 + -21 + -10x = 0 + -21 Reorder the terms: 21 + -21 + X2 + -10x = 0 + -21 Combine like terms: 21 + -21 = 0 0 + X2 + -10x = 0 + -21 X2 + -10x = 0 + -21 Combine like terms: 0 + -21 = -21 X2 + -10x = -21 Add '10x' to each side of the equation. X2 + -10x + 10x = -21 + 10x Combine like terms: -10x + 10x = 0 X2 + 0 = -21 + 10x X2 = -21 + 10x Simplifying X2 = -21 + 10x Reorder the terms: 21 + X2 + -10x = -21 + 10x + 21 + -10x Reorder the terms: 21 + X2 + -10x = -21 + 21 + 10x + -10x Combine like terms: -21 + 21 = 0 21 + X2 + -10x = 0 + 10x + -10x 21 + X2 + -10x = 10x + -10x Combine like terms: 10x + -10x = 0 21 + X2 + -10x = 0 The solution to this equation could not be determined.
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