1) (5/(x-2) -x-2)*(2-x)/(x² -6x+9) = ((5/(x-2))*(2-x) -(2+x)(2-x))*1/(x -3)²=
(-5 -(4-x²))*1/(x-3)²=(x² -9)/(x-3)² =(x+3)(x-3)/(x-3)²=(x+3) / (x-3).
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2) (x+5√x)/(x -25) -(2√x -5)/(√x -5) = (√x(√x+√5)/(√x -5)(√x +5) -(2√x -5)/(√x -5) =
√x/(√x -5) -(2√x -5)/(√x -5) = (√x-2√x +5)/(√x -5) = -(√x -5)/(√x -5) = -1.