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Simplifying X2 + 7x + -78 = 43 Reorder the terms: -78 + X2 + 7x = 43 Solving -78 + X2 + 7x = 43 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '78' to each side of the equation. -78 + X2 + 78 + 7x = 43 + 78 Reorder the terms: -78 + 78 + X2 + 7x = 43 + 78 Combine like terms: -78 + 78 = 0 0 + X2 + 7x = 43 + 78 X2 + 7x = 43 + 78 Combine like terms: 43 + 78 = 121 X2 + 7x = 121 Add '-7x' to each side of the equation. X2 + 7x + -7x = 121 + -7x Combine like terms: 7x + -7x = 0 X2 + 0 = 121 + -7x X2 = 121 + -7x Simplifying X2 = 121 + -7x Reorder the terms: -121 + X2 + 7x = 121 + -7x + -121 + 7x Reorder the terms: -121 + X2 + 7x = 121 + -121 + -7x + 7x Combine like terms: 121 + -121 = 0 -121 + X2 + 7x = 0 + -7x + 7x -121 + X2 + 7x = -7x + 7x Combine like terms: -7x + 7x = 0 -121 + X2 + 7x = 0 The solution to this equation could not be determined.
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