lesliegarza0805
04.10.2019 •
Mathematics
Which expressions are equivalent to 4(4x + 2y + x − y)?
a. 4(5x + 3y) and 20x + 12y
b. 4(5x + y) and 20x + 4y
c. 4(3x + y) and 12x + 4y
d. 4(3x + 3y) and 12x + 12y
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Ответ:
4x+ x= 5x
2y- y= y
This gives you 4(5x + y)
Distribute the 4.
4*5x+ 4*y
20x + 4y
The answer is C.
Ответ:
(0,0) and (5,10) are a possibility...