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Simplifying X2 + -7x + -4 = 9 Reorder the terms: -4 + X2 + -7x = 9 Solving -4 + X2 + -7x = 9 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '4' to each side of the equation. -4 + X2 + 4 + -7x = 9 + 4 Reorder the terms: -4 + 4 + X2 + -7x = 9 + 4 Combine like terms: -4 + 4 = 0 0 + X2 + -7x = 9 + 4 X2 + -7x = 9 + 4 Combine like terms: 9 + 4 = 13 X2 + -7x = 13 Add '7x' to each side of the equation. X2 + -7x + 7x = 13 + 7x Combine like terms: -7x + 7x = 0 X2 + 0 = 13 + 7x X2 = 13 + 7x Simplifying X2 = 13 + 7x Reorder the terms: -13 + X2 + -7x = 13 + 7x + -13 + -7x Reorder the terms: -13 + X2 + -7x = 13 + -13 + 7x + -7x Combine like terms: 13 + -13 = 0 -13 + X2 + -7x = 0 + 7x + -7x -13 + X2 + -7x = 7x + -7x Combine like terms: 7x + -7x = 0 -13 + X2 + -7x = 0 The solution to this equation could not be determined.
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