A few days ago
The expression below was simplified in two different ways. Which one is incorrect? Explain the error.?
-2x(4x – y)
=(-2x X 4x) + 2x (- y)
= -8x – 2xy
or
-2x(4x – y)
= (-2x X 4x) + (-2x X-y)
= -8x + 2xy
Top 2 Answers
A few days ago
Favorite Answer
the first one because on the second line, the second 2x should be -2x
0
A few days ago
The simplification would be:
-8x^2+2xy
Therefore they are both wrong because neither has to the power of 2 and the first one is wrong because the negative sign was not carried with the 2x.
1
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