Mathematics
Senior High
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公式も一応載せときました!!
少し早めがいいです🙆♀️
(4) 9x² - 30 xy + 25 y ²
2
(5) 2 (² - 4y z
(.....
(6) 25a²-9
♥公式
0. Ma + Mb = M(a+b)
2
1. a² + 2ab + b² = (a + b)²
2₁ a² - 2ab + b² = (a - b) ²
2
3₁ 2²-b² = (a+b) (a - b)
4. x² + (a+b)x² + ab = (x + a)(x+b).
5,
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