Ответ:
a²-49 = (a - 7)(a + 7)
x²-0,81 = (x - 0,9)(x + 0,9)
256-a⁴ = (16 - a²)(16 + a²)
a³+125 = (a + 5)(a² - 5a + 25)
64 - b³ = (4 - b)(16 + 4b + b²)
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Ответ:
a²-49 = (a - 7)(a + 7)
x²-0,81 = (x - 0,9)(x + 0,9)
256-a⁴ = (16 - a²)(16 + a²)
a³+125 = (a + 5)(a² - 5a + 25)
64 - b³ = (4 - b)(16 + 4b + b²)