(6+y)²-9²=0
100-(z-19)²=0

(6 + y)^2 - 9^2 = 0(6 + y)^2 - 81 = 0(6 + y)^2 = 816 + y = ±96 + y = 96 + y = -9y2 = 3y1 = -15100 - (z - 19)^2 = 0-(z - 19)^2 = -100(z - 19)^2 = 100z - 19 = ±10z - 19 = 10z - 19 = -10z1 = 9z2 = 29@iGeniusOX⚡