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Expand : (3x+5y)² please answer​
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3 votes
Expand : (3x+5y)²
please answer​

User Ion Aalbers
by
4.7k points

1 Answer

5 votes

Answer:

FOIL:
9x^2 +30xy + 25y^2

(3x + 5y)(3x+5y)

F: 3x*3x

O: 3x*5y

I: 5y*3x

L: 5y*5y


9x^2 +30xy + 25y^2

Explanation:

User Smcg
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