9a^2 - 100b^2 = ( 3a + 10b ) * ( 3a - 10b )
9a^2 - 100b^2 / ( 3a - 10b ) = ( 3a + 10b ) * ( 3a - 10b ) / ( 3a - 10b ) =
3a + 10b
Essay: Show all work. Find the quotient: 9a^2 - 100b^2 / 3a - 10b
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