Ответ:
Объяснение:
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(3у-2)(4у-2)=12у²-6у-8у+4=12у²-14у+4.
1)16a²-9b²-8ac+c²=(16a²-8ac+c²)-9b²=(4a-c)²-(3b)²= (4a-c-3b)(4a-c+3b)
2)(а² + 6а)² - 9²=(a²+6a-9)(a²+6a+9)=(a²+6a-9)(a+3)²
3)a³<span>- 3а²b - 6ab² + 8b</span>³=(a-2b)³
X+10=-1/3;
x=-1/3 -10;
x=-10 1/3