Math, asked by qhdhd, 6 days ago

(2x²-5xy-9y2)-(3y²-9yz+z²)

Answers

Answered by chaudharytanvi862
0

Answer:

(2x²-5xy-9y2)- (3y²-9yz +z²)

9y2-9yz =y2+yz= 2yz

2x²-+z2 =8xz

5xy-3y²=4xy

2yz-8xz+4xy

9xyz

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