a²-12a+36= (a-6)²
2a²-11a-6=2a²-12a+a-6= 2a(a-6)+(a-6)= (a-6)(2a+1)
(a-6)²/(a-6)(2a+1)= (a-6)/(2a+1)
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a²-12a+36= (a-6)²
2a²-11a-6=2a²-12a+a-6= 2a(a-6)+(a-6)= (a-6)(2a+1)
(a-6)²/(a-6)(2a+1)= (a-6)/(2a+1)