Remove parentheses and simplify the expression.
--9.4(3r + 2)+ 6.4(2r + 3)
A)-47r
B)-15.4r + 0.4
C)-6.4r - 7.4
D)-15.4r + 2

Name: Remove parentheses and simplify the expression. --9.4(3r + 2)+ 6.4(2r + 3) A)-47r B)-15.4r + 0.4 C)-6.4r - 7.4 D)-15.4r + 2
Brand: Quizplus
Rating: 4.8 (45 reviews)

Question

Quizplus · Accepted Answer

First, distribute the numbers outside the parentheses: -9.4(3r) - 9.4(2) + 6.4(2r) + 6.4(3). This simplifies to -28.2r - 18.8 + 12.8r + 19.2. Combining like terms (-28.2r + 12.8r) and (-18.8 + 19.2) gives -15.4r + 0.4.

Remove Parentheses and Simplify the Expression