1) a(a+4)/(a+4)²= a/(a+4)

-2/(-2+4)= -2/2= -1

2) 2(c-2)/d(c-2)= 2/d

2/5= 0,4

3) (x-2)(x+2)/4x² * 2x/(x+2)= (x-2)/2x

(4-2)/2*4= 2/8= 1/4= 0,25

Verified answer

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