Ответ:
Объяснение:
1.
2p²-98a²=-2(49a²-p²)=-2(7a-p)(7a+p)
2x²y-2y³=2y(x²-y²)=2y(x-y)(x+y)
-9n+nx²=n(x²-9)=n(x-3)(x+3)
ac³-a³c=-ac(a²-c²)=-ac(a-c)(a+c)
2.
2x²-4x+2=2(x²-2x+1)=2(x-1)²
-3x²+12x-12=-3(x²-4x+4)=-3(x-2)²
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Answers & Comments
Ответ:
Объяснение:
1.
2p²-98a²=-2(49a²-p²)=-2(7a-p)(7a+p)
2x²y-2y³=2y(x²-y²)=2y(x-y)(x+y)
-9n+nx²=n(x²-9)=n(x-3)(x+3)
ac³-a³c=-ac(a²-c²)=-ac(a-c)(a+c)
2.
2x²-4x+2=2(x²-2x+1)=2(x-1)²
-3x²+12x-12=-3(x²-4x+4)=-3(x-2)²