3.Вычислите а) 73 -146 •43 + 43?

Question

Алгебра: 3.Вычислите а) 73 -146 •43 + 43?

erop4ik1 · Accepted Answer

х^3 + 2х^2 – 7х – 14 0 (х^3– 7х) + (2х^2 – 14) 0 х(х^2 - 7) + 2(х^2 - 7) 0 (х^2 - 7)(x + 2) 0 (х  - 7)(х +7)(x + 2) 0 х  - 7          -                         -                                    -                                 +  х +7           -                         +                                    +                               + x + 2          -                         -                                     +                                +              -7-27                    -                      ...

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