If x=(2a-3b),y=(2a+3b)and z=9bsquare -4absquare,show that xy+z=0

1 answer:

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Answer:

<h2>Hope it helps you........</h2>

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If x=(2a-3b),y=(2a+3b)and z=9bsquare -4absquare,show that xy+z=0​