1.Запишите в виде многочлена
(Зх-2)^2
(0.6m-m)^2
(a+2b)^2
2.Решите урав-ие
(х+1)(x^2-x+1)-x(x-3)(x+3)=62
(Зх-2)^2
(0.6m-m)^2
(a+2b)^2
2.Решите урав-ие
(х+1)(x^2-x+1)-x(x-3)(x+3)=62
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Answers & Comments
Verified answer
(Зх-2)²=9х²-12х+4
(0.6m-n)²=0,36m²-1.2mn+n²
(a+2b)²=a²+4ab+b²
(х+1)(x^2-x+1)-x(x-3)(x+3)=62
х³+1-х(х²-9)=62
х³+1-х³+9х=62
9х=61
х=6 7/9