(x+11+ 6(x+2)1/2)1/2+((x+11-6(x+2)1/2)1/2=x+2

(x + 11 + 6 * (x + 2) * 1/2) * 1/2 + ((x + 11 - 6 * (x + 2) * 1/2) * 1/2 = x + 2;(х + 11 + 3х + 6) * 1/2 + (х + 11 - 0,5х + 6) * 1/2 = х + 2;0,5х + 5,5 + 1,5х + 3 + 0,5х + 5,5 - 0,25х + 3 - х -2 = 0;1,25х + 15 = 0;1,25х = - 15;х = - 15 / 1,25;х = - 12;x + 11 + 6 * (x + 2) * 1/2) * 1/2 + ((x + 11 - 6 * (x + 2) * 1/2) * 1/2 = x + 2;0,5х + 5,5 + 1,5х + 3 + 0,5х + 5,5 - 0,25х + 3 - х - 2 = 0;- 6 + 5,5 - 18 + 3 - 6 + 5,5 + 3 + 3 = - 12 + 2;- 10 = -10.