Контрольная работа №8Применение формул сокращенного умноженияВариант1.1.Преобразуйте в многочлен( раскройте скобки, ю приведите подобные слагаемые)А)5х(2х-1)+(х-3)(х+3)Б)(х+2)(х-7)+(х-5)2В)3(х+у)2-6хуГ)(х+5)2-(х+4)(х-4)Д)5(х+2)(х-2) –5х(х-7)2.Разложите на множителиА)у3-49уБ)2х3-50В)сх2+2сху+су2Г)3с4-3х4Д) 125х3-64у33.Решите уравненияА) (7х-2)(7х+2)= 7(7х2-3х) -бБ) (3х+2)2=(3х+1)(3х-1)-1​

ответ:(248.3)-x(634.14)=3,14doras

Объяснение:ti pidoras

Many people believe that there will be no school in the future and will learn at home using a computer. Now we'll find out ,the enemy does to us a computer. Computers are a great tool for information . Through the Computer and the Internet we can communicate at a distance. The computer make your life easier.
But the computer spoils our health. He will not be able to convey emotions and feelings. People are very aggressive and irritable from the computer. The computer slows down the development of children. Reliance on computer.
Bottom line: you need to learn to properly use a computer. But it would be better if we were in school. Because computers do not replace people.

Many people believe that there will be no school in the future and will learn at home using a computer. Now we find out whether the computer enemy. Computers are a great tool for information. Through the computer and the Internet we are able to communicate at a distance. The computer will help you in life.But your computer messes up our health. He will not be able to convey emotions and feelings. People are very aggressive and for the computer. shirty Computer slows down the development of children. A dependence on the computer.The bottom line: you need to learn how to properly use a computer. But it would be better if we are studying in schools. Because computers do not replace people.