Solve: (64a^4-49b^4)÷(8a^2-7b^2)
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( 64 a⁴ - 49 b⁴ ) / ( 8 a² - 7 b² )
Using a² - b² = ( a + b ) ( a - b )
( 8 a² + 7 b² ) ( 8 a² - 7 b² ) /( 8 a² - 7 b² )
( 8 a² + 7 b² )
Therefore , final answer is ( 8 a² + 7 b² ) .
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