Katrina is asked to simplify the expression - 3a-4 b-2 (5 a-7 b). She writes:

-3a-4b-2 (5a-7 b) = - 3 a - 4 b-10 a + 14 b Which property allows her to do this? the associative property the commutative property the distributive property the additive identity property

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16 November, 14:48

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Nikolas Dorsey · Answer 1

Distributive property. The - 2 was distributed to the terms inside the parentheses, leaving Katrina with (-10a + 14b) along with the given - 3a - 4b

Katrina is asked to simplify the expression - 3a-4 b-2 (5 a-7 b). She writes:-3a-4b-2 (5a-7 b) = - 3 a - 4 b-10 a + 14 b Which property allows her to do this? the associative property the commutative property the distributive property the additive identity property