Ответ:
а) 7 - 14а = 7 (1 - 2а)
б) 4b + 18a = 2ab (2a + 9b)
в) 36 - = (6 + c)(6 - c)
г) 16 - 81 = (4 + 9)(4 - 9)
д) 4 + 4y + =
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Ответ:
а) 7 - 14а = 7 (1 - 2а)
б) 4
b + 18
a = 2ab (2a + 9b)
в) 36 -
= (6 + c)(6 - c)
г) 16
- 81
= (4
+ 9
)(4
- 9
)
д) 4 + 4y +
= 