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• Identical expressions

• two *(one - (x + three)/(x - three))*(- one /(x + three) - one /(x - three))/(x + three) = zero
• 2 multiply by (1 minus (x plus 3) divide by (x minus 3)) multiply by ( minus 1 divide by (x plus 3) minus 1 divide by (x minus 3)) divide by (x plus 3) equally 0
• two multiply by (one minus (x plus three) divide by (x minus three)) multiply by ( minus one divide by (x plus three) minus one divide by (x minus three)) divide by (x plus three) equally zero
• 2(1 - (x + 3)/(x - 3))(-1/(x + 3) - 1/(x - 3))/(x + 3) = 0
• 21 - x + 3/x - 3-1/x + 3 - 1/x - 3/x + 3 = 0
• 2*(1 - (x + 3) divide by (x - 3))*(-1 divide by (x + 3) - 1 divide by (x - 3)) divide by (x + 3) = 0

• Similar expressions

• 2*(1 - (x - 3)/(x - 3))*(-1/(x + 3) - 1/(x - 3))/(x + 3) = 0
• 2*(1 - (x + 3)/(x - 3))*(-1/(x + 3) + 1/(x - 3))/(x + 3) = 0
• 2*(1 + (x + 3)/(x - 3))*(-1/(x + 3) - 1/(x - 3))/(x + 3) = 0
• 2*(1 - (x + 3)/(x + 3))*(-1/(x + 3) - 1/(x - 3))/(x + 3) = 0
• 2*(1 - (x + 3)/(x - 3))*(-1/(x + 3) - 1/(x + 3))/(x + 3) = 0
• 2*(1 - (x + 3)/(x - 3))*(-1/(x - 3) - 1/(x - 3))/(x + 3) = 0
• 2*(1 - (x + 3)/(x - 3))*(-1/(x + 3) - 1/(x - 3))/(x - 3) = 0
• 2*(1 - (x + 3)/(x - 3))*(1/(x + 3) - 1/(x - 3))/(x + 3) = 0