Math, asked by niharika8578, 7 months ago

How do I get this answer(Circled)
(Guys help my exam starts in few hours)

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Answered by angel12345637

1

Answer:

how you get means

Step-by-step explanation:

+y2 and -2y2 is there and -2y2 will become +2y2

and +y2 +2y2 =(+)(+) =+

sooo y2 + 2y2 =3y2

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