Will reward brainliest answer part a: factor 3x2a2 − 5xa2 − 2a2. show your work. (4 points) part b: factor x2 − 10x + 25. show your work. (3 points) part c: factor x2 − 81. show your work. (3 points)

 Factor 3x2a2 − 5xa2 − 2a2.
 3x2a2 − 5xa2 − 2a2= 
 a2(3x2 − 5x − 2)=
 a2((x-2)*(x+(1/3)))
 Part B: Factor x2 − 10x + 25.
 x2 − 10x + 25.= (x-5)*(x-5)
 Part C: Factor x2 − 81. Show your work.
 x2 − 81=(x-9)*(x+9)