1) х²-4х+4 = х²-2*2х+2² = (x-2)² = (x-2) (x-2)
2) 36а²-60аb+25b² = (6а)²-2*6a*5b+(5b)² = (6а-5b)² = (6а-5b) (6а-5b)
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Answers & Comments
1) х²-4х+4 = х²-2*2х+2² = (x-2)² = (x-2) (x-2)
2) 36а²-60аb+25b² = (6а)²-2*6a*5b+(5b)² = (6а-5b)² = (6а-5b) (6а-5b)