-3ab(2a^2 - 4ab^2) =
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-3ab(2a^2 - 4ab^2) =
Answer is -6a^3b + 12a^2b^3
Answer is -6a^3b + 12a^2b^3
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-3ab(2a^2 - 4ab^2) =
Distribute.
-6a^3b + 12 a^2b^3.
Remember, when multiplying, you multiply the coefficient and add the exponents.
Distribute.
-6a^3b + 12 a^2b^3.
Remember, when multiplying, you multiply the coefficient and add the exponents.
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Distribute the (-3ab) to each item, and remember to add or subtract exponents.
-3ab(2a^2 - 4ab^2) = -6a^3b +12a^2b^2
-3ab(2a^2 - 4ab^2) = -6a^3b +12a^2b^2