Найдите сумму и разность данных многочленов
[tex](4x {2} + 3x - 15)[/tex]
и
[tex](3x^{2} - 5x + 6)[/tex]
[tex](4x {2} + 3x - 15)[/tex]
и
[tex](3x^{2} - 5x + 6)[/tex]
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сумма:
(4х²+3х-15)+(3х²-5х+6) = 7х²-2х-9
разность:
(4х²+3х-15)+(3х²-5х+6) = 4х²-3х²+3х+5х-15-6 = х²+8х-21