Hulkliikme tegurdamine 1) ühisteguri sulgude ette toomine 8y2 4y = 4y (2y 1) 2 5 4 18u v 27uv = 9uv4 (2uv 3) x2 2x = x (x + 2) 2) valemite abil a2 b2 = (a + b) (a b) a2 ± 2ab + b2 = (a ± b)2 a3 ± b3 = (a ± b) (a2 ab + b2) 4a2 9b2 = (2a + 3b) (2a 3b) 4m2 20mn + 25n2 = (2m 5n)2 27x3 + 8 = (3x + 2) (9x2 6x + 4) 3) rühmitamisvõte ay + az + by + bz = a (y + z) + b (y + z) = = (y + z) (a + b)
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