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Simplifying X3 + 5x2 + -42x + -144 = 0 Reorder the terms: -144 + X3 + -42x + 5x2 = 0 Solving -144 + X3 + -42x + 5x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '144' to each side of the equation. -144 + X3 + -42x + 144 + 5x2 = 0 + 144 Reorder the terms: -144 + 144 + X3 + -42x + 5x2 = 0 + 144 Combine like terms: -144 + 144 = 0 0 + X3 + -42x + 5x2 = 0 + 144 X3 + -42x + 5x2 = 0 + 144 Combine like terms: 0 + 144 = 144 X3 + -42x + 5x2 = 144 Add '42x' to each side of the equation. X3 + -42x + 42x + 5x2 = 144 + 42x Combine like terms: -42x + 42x = 0 X3 + 0 + 5x2 = 144 + 42x X3 + 5x2 = 144 + 42x Add '-5x2' to each side of the equation. X3 + 5x2 + -5x2 = 144 + 42x + -5x2 Combine like terms: 5x2 + -5x2 = 0 X3 + 0 = 144 + 42x + -5x2 X3 = 144 + 42x + -5x2 Simplifying X3 = 144 + 42x + -5x2 Reorder the terms: -144 + X3 + -42x + 5x2 = 144 + 42x + -5x2 + -144 + -42x + 5x2 Reorder the terms: -144 + X3 + -42x + 5x2 = 144 + -144 + 42x + -42x + -5x2 + 5x2 Combine like terms: 144 + -144 = 0 -144 + X3 + -42x + 5x2 = 0 + 42x + -42x + -5x2 + 5x2 -144 + X3 + -42x + 5x2 = 42x + -42x + -5x2 + 5x2 Combine like terms: 42x + -42x = 0 -144 + X3 + -42x + 5x2 = 0 + -5x2 + 5x2 -144 + X3 + -42x + 5x2 = -5x2 + 5x2 Combine like terms: -5x2 + 5x2 = 0 -144 + X3 + -42x + 5x2 = 0 The solution to this equation could not be determined.
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