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Dahasolnce [82]
3 years ago
10

Expand : (3x+5y)²please answer​

Mathematics
1 answer:
alukav5142 [94]3 years ago
4 0

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

Step-by-step explanation:

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Answer:

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Shawna, Dexter, and Tilana are solving the equation -2.5(5-n)+2=15. Shawna says, “I can begin by dividing each side of the equat
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