Предмет: Алгебра, автор: Pila226

Выполните умножение многочленов ( n-2)n+2) (x-9)(9+x) (11-d)(d+11) (4+b)(b-4) (0,9x+2y)(0,9x-2y)

Ответы

Автор ответа: aladinkirill00

Ответ:

$n^{2} -4\\x^{2} -81\\121-d^{2} \\b^{2} -16\\\frac{81}{100} x^{2}-4y^{2} -$

Объяснение:

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