Use the distributive property to multiply: A) (3x+2y-1)(-xy)B) 5/6(12x^2-24x+18)

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durbanville eNotes educator| Certified Educator

Distributive property requires that the term - in this case (-xy)- be "distributed" within the other bracket and multiplied individually, thus:

(3x + 2y - 1)( -xy)

= 3x(-xy) + 2y(-xy) -1(-xy)

= `-3x^2y + (-2xy^2) - (-xy)`  

= `-3x^2y - 2xy^2 + xy`

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A) = `-3x^2y - 2xy^2 + xy`