The sum of a number and its square is 35/4. Find the number. Share with your friends Share 0 Neha Sethi answered this Dear student Let the required number be xA.T.Qx+x2=3544x2+4x-35=0x=-4±42-44-3524 using quadratic formulax=-4±16+5608x=-4±248x=-4+248 or x=-4-248x=52 or x=-72 Regards 1 View Full Answer