Предмет: Алгебра, автор: Аноним

Розкладіть на множники
1)28ху − 7х2
2)25х6 −5х2

Ответы

Автор ответа: Universalka
1

\displaystyle\bf\\1)\\\\28xy-7x^{2} =7x\cdot4y-7x\cdot x=7x\cdot\Big(4y-x\Big)\\\\\\2)\\\\25x^{6} -5x^{2} =5x^{2} \cdot 5x^{4} -5x^{2} =5x^{2}\cdot\Big(5x^{4} -1\Big)

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