Ответ:
-8p²+p-3
Объяснение:
(12-5p²)-(p²+2p²-p+15) = 12-5p²-p²-2p²+p-15=
= -8p²+p-3
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Ответ:
-8p²+p-3
Объяснение:
(12-5p²)-(p²+2p²-p+15) = 12-5p²-p²-2p²+p-15=
= -8p²+p-3