Question

Katrina is asked to simplify the expression Negative 3 a minus 4 b minus 2 (5 a minus 7 b).

She writes: Negative 3 a minus 4 b minus 2 (5 a minus 7 b) = negative 3 a minus 4 b minus 10 a + 14 b

Answer 1

-13a+10b

Explanation:

Answer 2

-13a+10b

Explanation:

-3a- 4b- 2(5a-7b)

OPEN THE BRACKET

-3a-4b-10a+14b

CLT

-3a-10a-4b+14b

-13a+10b. (ANSWER)