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natashafed2
@natashafed2
June 2022
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Помогите пожалуйста алгебра
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гюйс
Verified answer
2.
с² -1=(с+1)(с-1)
х² -4х+4=(х-2)(х-2)=(х-2)²
25у² -4=(5у-2)(5у+2)
36а² -60ab+25b²=(6a-5b)(6a-5b)=(6a-5b)²
3.
(х+3)(х-3)-(х-4)²=х² -9 - х²+8х - 16=8х - 25
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Answers & Comments
Verified answer
2.с² -1=(с+1)(с-1)
х² -4х+4=(х-2)(х-2)=(х-2)²
25у² -4=(5у-2)(5у+2)
36а² -60ab+25b²=(6a-5b)(6a-5b)=(6a-5b)²
3.
(х+3)(х-3)-(х-4)²=х² -9 - х²+8х - 16=8х - 25