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• Identical expressions

• two *(- two *x + (x + one)*(four *x^ two /(x^ two + one) - one))/(x^ two + one)^ two = zero
• 2 multiply by ( minus 2 multiply by x plus (x plus 1) multiply by (4 multiply by x squared divide by (x squared plus 1) minus 1)) divide by (x squared plus 1) squared equally 0
• two multiply by ( minus two multiply by x plus (x plus one) multiply by (four multiply by x to the power of two divide by (x to the power of two plus one) minus one)) divide by (x to the power of two plus one) to the power of two equally zero
• 2*(-2*x + (x + 1)*(4*x2/(x2 + 1) - 1))/(x2 + 1)2 = 0
• 2*-2*x + x + 1*4*x2/x2 + 1 - 1/x2 + 12 = 0
• 2*(-2*x + (x + 1)*(4*x²/(x² + 1) - 1))/(x² + 1)² = 0
• 2*(-2*x + (x + 1)*(4*x to the power of 2/(x to the power of 2 + 1) - 1))/(x to the power of 2 + 1) to the power of 2 = 0
• 2(-2x + (x + 1)(4x^2/(x^2 + 1) - 1))/(x^2 + 1)^2 = 0
• 2(-2x + (x + 1)(4x2/(x2 + 1) - 1))/(x2 + 1)2 = 0
• 2-2x + x + 14x2/x2 + 1 - 1/x2 + 12 = 0
• 2-2x + x + 14x^2/x^2 + 1 - 1/x^2 + 1^2 = 0
• 2*(-2*x + (x + 1)*(4*x^2 divide by (x^2 + 1) - 1)) divide by (x^2 + 1)^2 = 0

• Similar expressions

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