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Dina13N
@Dina13N
June 2022
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Vasily1975
Verified answer
1) 12b²-12c²=12(b²-c²)=12(b+c)(b-c)
2) 2a²c-2b²c=2c(a²-b²)=2c(a+b)(a-b)
3) 5a²-20=5(a²-4)=5(a+2)(a-2)
4) 3mn²-48m=3m(n²-16)=3m(n+4)(n-4)
5) 7y³-7y=7y(y²-1)=7y(y+1)(y-1)
6) a³-a⁵=a³(1-a²)=a³(1+a)(1-a)
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Dina13N
если не трудно можешь все решить?
Vasily1975
Решил всё
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Answers & Comments
Verified answer
1) 12b²-12c²=12(b²-c²)=12(b+c)(b-c)2) 2a²c-2b²c=2c(a²-b²)=2c(a+b)(a-b)
3) 5a²-20=5(a²-4)=5(a+2)(a-2)
4) 3mn²-48m=3m(n²-16)=3m(n+4)(n-4)
5) 7y³-7y=7y(y²-1)=7y(y+1)(y-1)
6) a³-a⁵=a³(1-a²)=a³(1+a)(1-a)