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• Identical expressions

• - six /x^ seven = zero
• minus 6 divide by x to the power of 7 equally 0
• minus six divide by x to the power of seven equally zero
• -6/x7 = 0
• -6/x⁷ = 0
• -6 divide by x^7 = 0

• Similar expressions

• 6/x^7 = 0