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Simplifying X * X + x + x + -40 = 420 Multiply X * X X2 + x + x + -40 = 420 Reorder the terms: -40 + X2 + x + x = 420 Combine like terms: x + x = 2x -40 + X2 + 2x = 420 Solving -40 + X2 + 2x = 420 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '40' to each side of the equation. -40 + X2 + 40 + 2x = 420 + 40 Reorder the terms: -40 + 40 + X2 + 2x = 420 + 40 Combine like terms: -40 + 40 = 0 0 + X2 + 2x = 420 + 40 X2 + 2x = 420 + 40 Combine like terms: 420 + 40 = 460 X2 + 2x = 460 Add '-2x' to each side of the equation. X2 + 2x + -2x = 460 + -2x Combine like terms: 2x + -2x = 0 X2 + 0 = 460 + -2x X2 = 460 + -2x Simplifying X2 = 460 + -2x Reorder the terms: -460 + X2 + 2x = 460 + -2x + -460 + 2x Reorder the terms: -460 + X2 + 2x = 460 + -460 + -2x + 2x Combine like terms: 460 + -460 = 0 -460 + X2 + 2x = 0 + -2x + 2x -460 + X2 + 2x = -2x + 2x Combine like terms: -2x + 2x = 0 -460 + X2 + 2x = 0 The solution to this equation could not be determined.
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