simplify (3x-5y+7z) ^2 +(3x+5y-7z)^2
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Answered by
9
Answer:
Step-by-step explanation:
(3x−5y+7z)(−3xyz)
= (−9x 2yz+15xy 2 z−21xyz 2 )
Answered by
0
Answer:
18x^2-50y^2+140yz-98z^2
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