Question

Expand the following expression.

5.9(21 - 3.54x)
A.
123.9x - 20.886
B.
26.9 - 9.44x
C.
20.886 + 123.9x
D.
123.9 - 20.886x

Answer 1

D. 123.9 - 20.886x

Explanation:

Using the distributive property, we find the expansion to be ...

5.9(21) +5.9(-3.54x) = 123.9 -20.886x

_____

The distributive property tells you ...

a(b+c) = ab +ac

The factor outside parentheses multiplies each of the individual terms inside parentheses.