alleryStart learning →Write 4x²+12xy+9y² as the square of a binomial.
A(2x+9y)²
B(2x+3y)²
C(4x+3y)²
D(2x−3y)²
Answer & Solution
Correct answer: B. (2x+3y)²
The outside terms are (2x)² and (3y)², and the middle term is twice their product, 12xy.
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