lst=[["(x^3+x^2-5*x+15)/(x^2+5)/(x^2+2*x+3)","x",1], ["(-7*x^2+4*x+1)^3*(x^2+5*x+2)*(5*x^2+2*x+3)^(1/2)","x",1], ["(-7*x^2+4*x+1)^2*(x^2+5*x+2)*(5*x^2+2*x+3)^(1/2)","x",1], ["(-7*x^2+4*x+1)*(x^2+5*x+2)*(5*x^2+2*x+3)^(1/2)","x",1], ["(x^2+5*x+2)*(5*x^2+2*x+3)^(1/2)/(-7*x^2+4*x+1)","x",1], ["(x^2+5*x+2)*(5*x^2+2*x+3)^(1/2)/(-7*x^2+4*x+1)^2","x",1], ["(x^2+5*x+2)*(5*x^2+2*x+3)^(1/2)/(-7*x^2+4*x+1)^3","x",1], ["(-7*x^2+4*x+1)^3*(x^2+5*x+2)*(5*x^2+2*x+3)^(3/2)","x",1], ["(-7*x^2+4*x+1)^2*(x^2+5*x+2)*(5*x^2+2*x+3)^(3/2)","x",1], ["(-7*x^2+4*x+1)*(x^2+5*x+2)*(5*x^2+2*x+3)^(3/2)","x",1], ["(x^2+5*x+2)*(5*x^2+2*x+3)^(3/2)/(-7*x^2+4*x+1)","x",1], ["(x^2+5*x+2)*(5*x^2+2*x+3)^(3/2)/(-7*x^2+4*x+1)^2","x",1], ["(x^2+5*x+2)*(5*x^2+2*x+3)^(3/2)/(-7*x^2+4*x+1)^3","x",1], ["(-7*x^2+4*x+1)^3*(x^2+5*x+2)/(5*x^2+2*x+3)^(1/2)","x",1], ["(-7*x^2+4*x+1)^2*(x^2+5*x+2)/(5*x^2+2*x+3)^(1/2)","x",1], ["(-7*x^2+4*x+1)*(x^2+5*x+2)/(5*x^2+2*x+3)^(1/2)","x",1], ["(x^2+5*x+2)/(-7*x^2+4*x+1)/(5*x^2+2*x+3)^(1/2)","x",1], ["(x^2+5*x+2)/(-7*x^2+4*x+1)^2/(5*x^2+2*x+3)^(1/2)","x",1], ["(x^2+5*x+2)/(-7*x^2+4*x+1)^3/(5*x^2+2*x+3)^(1/2)","x",1], ["(-7*x^2+4*x+1)^3*(x^2+5*x+2)/(5*x^2+2*x+3)^(3/2)","x",1], ["(-7*x^2+4*x+1)^2*(x^2+5*x+2)/(5*x^2+2*x+3)^(3/2)","x",1], ["(-7*x^2+4*x+1)*(x^2+5*x+2)/(5*x^2+2*x+3)^(3/2)","x",1], ["(x^2+5*x+2)/(-7*x^2+4*x+1)/(5*x^2+2*x+3)^(3/2)","x",1], ["(x^2+5*x+2)/(-7*x^2+4*x+1)^2/(5*x^2+2*x+3)^(3/2)","x",1], ["(x^2+5*x+2)/(-7*x^2+4*x+1)^3/(5*x^2+2*x+3)^(3/2)","x",1], ["(-6*x^2+3*x+7)^q*(-2*x^2+5*x+1)^3*(4*x^2+2*x+3)","x",1], ["(-6*x^2+3*x+7)^q*(-2*x^2+5*x+1)^2*(4*x^2+2*x+3)","x",1], ["(-6*x^2+3*x+7)^q*(-2*x^2+5*x+1)*(4*x^2+2*x+3)","x",1], ["(-6*x^2+3*x+7)^q*(4*x^2+2*x+3)","x",1], ["(-6*x^2+3*x+7)^q*(4*x^2+2*x+3)/(-2*x^2+5*x+1)","x",1], ["(-6*x^2+3*x+7)^q*(4*x^2+2*x+3)/(-2*x^2+5*x+1)^2","x",1], ["(-6*x^2+3*x+7)^q*(4*x^2+2*x+3)/(-2*x^2+5*x+1)^3","x",1]]