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Anna11 [10]
3 years ago
8

(7x + y)2 – 36(3x + 2y)2

Mathematics
2 answers:
forsale [732]3 years ago
6 0

Answer:

i think the answer is 146y-202x

tester [92]3 years ago
4 0

Answer:

−202x+−142y

Step-by-step explanation:

step one:distribute

(7x)(2)+(y)(2)+−216x+−144y

14x+2y+−216x+−144y

step two:combine like terms

14x+2y+−216x+−144y

(14x+−216x)+(2y+−144y)

=−202x+−142y

plz mark me brainliest

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Gemiola [76]
This problem can be solved using the concepts of permutation.

Zzyzx is the word. It has five letters. It asked as to how many five-letter arrangements of the letters in the English alphabet follow Zzyzx alphabetically.

Take note: <span>alphabetically
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The two remaining five-letter after Zzyzx are Zzyzy and Zzyzz.
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