plz solve I will mark you brainleist
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Step-by-step explanation:
1) 64m³ - 343n³
= (4m)³ - (7n)³
= (4m-7n) (16m² + 56mn + 49n²)
2)25a² - 35a + 12
= 25a² - 20a - 15a + 12
= 5a(5a-4) - 3(5a-4)
= (5a-4)(5a-3)
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