can anyone tell me how to solve (k+1){1/3k(4k+11)+2(2k+5)} i dont understand why the next step is 1/3(k+1) {4k2+23k + 30} Share with your friends Share 0 Anuradha Sharma answered this Hi Saarang, It would be better if you can post complete question because the step hereis not clear and is incorrect so assuming the first step, k+113k4k+11+22k+5=k+1134k2+11k+22k+5=k+134k2+11k+12k+30=k+134k2+23k+30and that is the required next step. 0 View Full Answer