Question

Subtract (2y^2+y^2+3) from 7y^2-
9y^2+3
please tell the answer
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Answer 1

Answer:

The answer is

=> (7y²-9y²+3) - (2y² + y² + 3)

=>(-2y²+3)-(3y²+3)

=> -2y²+3-3y²-3

=> -5y²