а) -3х²-12х-12=-3(x²+4x+4)=-3(x+2)²
б) 24у⁵-3у²=3y² (8y³-1)=3y²(2y-1)(4y²+2y+1)
в) 162b³-2а²b=2b(81b²-a²)=2b(9b-a)(9b+a)
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а) -3х²-12х-12=-3(x²+4x+4)=-3(x+2)²
б) 24у⁵-3у²=3y² (8y³-1)=3y²(2y-1)(4y²+2y+1)
в) 162b³-2а²b=2b(81b²-a²)=2b(9b-a)(9b+a)