simplify the perfect square binomial (5x + 4y) ²

(5x + 4y) ²
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1 Answer

That's already simplified.

If you mean expand:

(5x + 4y)^2

(5x + 4y)(5x + 4y)

FOIL

25x^2 + 20xy + 20xy + 16y^2

25x^2 + 40xy + 16y^2
by Level 13 User (103k points)

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