посчитайте номера 10-13

10) (8√x+8)/√x - 8√x/x = (8x+8√x-8√x)/x = 8;

11) (11*(54)√m*(27)√m)/(18)√m = 11m/m = 11;

12) x+√x^2+44x+484 = x+x+22 = 2x+22;

2x = -22; x = -11;

13) √(a-4)^2 + √(a-10)^2 = a-4+a-10 = 2a-14; 2a = 14; a = 7