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25(3x - y) ^(2) - 16(5x + 3y) ^(2) = 25(​
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2 votes

25(3x - y) ^(2) - 16(5x + 3y) ^(2) =
25(​

User Mikolaj Semeniuk
by
5.0k points

2 Answers

6 votes

Answer:

-175x^2-630xy-119y^2

Explanation:

User Nebojsa Veron
by
4.6k points
7 votes

25(3x-y)²-16(5x+3y)²=25(9x²-6xy+y²)-16(25x²+30xy+9y²)=

=225x²-15xy+25y²-400x²-480xy-144y²=-175x²-630xy-119y²

User Belden Fox
by
4.9k points
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