1) (x²+b)(x²+2b) = 2) (2m+n²)(2n-m²) = 3) (n+2m)(n-2m) = 4) (x+1)(x²-2x-1) =. Created by suxowaalisa. matematika-ru

1) (x²+b)(x²+2b) = 2) (2m+n²)(2n-m²) = 3) (n+2m)(n-2m) = 4) (x+1)(x²-2x-1) =...

July 2022 1 15 Report

1) (x²+b)(x²+2b) =
2) (2m+n²)(2n-m²) =
3) (n+2m)(n-2m) =
4) (x+1)(x²-2x-1) =

Answers & Comments

klim9918 1) x^4 3bx^2+2b^2;
2)4mn-2m^3-m^2n^2+2n^3;
3)n^2-4m^2;
4)x^3-2x^2-x-x^2-2x-1=-3x^2+x^3-3x-1.
(Знак ^ означает степень, например, 2x^2 означает два икс в квадрате и т.д.)

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pomogite najti av pozhalujsta

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