Пошаговое объяснение:
[tex](4a - 7 {)}^{2} - (3a + 2 {)}^{2} = (4a - 7 - 3a - 2)(4a - 7 + 3a + 2) = (a - 9)(7a - 5)[/tex]
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Пошаговое объяснение:
[tex](4a - 7 {)}^{2} - (3a + 2 {)}^{2} = (4a - 7 - 3a - 2)(4a - 7 + 3a + 2) = (a - 9)(7a - 5)[/tex]