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29-05-2016
Mathematics

Answered

Choose the correct simplification of the expression (−2x + 8y)(9x − 3y).

−18x2 + 78xy − 24y2

18x2 + 78xy − 24y2

−18x2 − 78xy + 24y2

−18x2 + 72xy − 24y2

Verified Answer :

c5h11no2 c5h11no2

29-05-2016

For these kinds of expressions use FOIL (first, outside, inside, last).

-2x • 9x = -18x^2
-2x • -3y = 6xy
8y • 9x = 72 xy
8y • -3y = -24y^2

Now combine them all:

-18x^2 + 78xy - 24y^2

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04-03-2019

Answer:

The answer is A I just took the test

Step-by-step explanation:

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