#color(white){color(black)(
((8xxsqrtx−8xxsqrtx+h)/h, qquad"The expression"),
((8xx(sqrtx−sqrtx)+h)/h, qquad"Factor out 8 from the expression"),
((8xx(0)+h)/h, qquad"The two like terms cancel out"),
((0+h)/h, qquad"8"xx"0 is just 0"),
(h/h, "0"+"h is just h"),
(1, h/h" is just 1")):}#