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• Identical expressions

• one + two /(two *x + four) = zero
• 1 plus 2 divide by (2 multiply by x plus 4) equally 0
• one plus two divide by (two multiply by x plus four) equally zero
• 1 + 2/(2x + 4) = 0
• 1 + 2/2x + 4 = 0
• 1 + 2 divide by (2*x + 4) = 0

• Similar expressions

• 1 + 2/(2*x - 4) = 0
• 1 - 2/(2*x + 4) = 0