Ответ:
(3a²-5b)(5a²+b)=
=15a⁴ + 3a²b - 25a²b - 5b²=
=15a⁴ + 22a²b - 5b².
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Ответ:
(3a²-5b)(5a²+b)=
=15a⁴ + 3a²b - 25a²b - 5b²=
=15a⁴ + 22a²b - 5b².