Solved

Multiply
- $(2 x+9 y)^{2}$ A) $4 x^{2}+36 x y+81 y^{2}$ B) $2 x^{2}+81 y^{2}$

Question 338

Multiple Choice

Multiply.
- $(2 x+9 y) ^{2}$

A) $4 x^{2}+36 x y+81 y^{2}$
B) $2 x^{2}+81 y^{2}$
C) $2 x^{2}+36 x y+81 y^{2}$
D) $4 x^{2}+81 y^{2}$

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