Factor the Perfect Square Trinomial Completely $49 x ^ { 2 } - 42 x y + 9 y ^ { 2 }$

question 62

Multiple Choice

Factor the perfect square trinomial completely.
- $49 x ^ { 2 } - 42 x y + 9 y ^ { 2 }$

• A) \(( 7 x + 3 y ) ^ { 2 }\)
• B) \(( 7 x - 3 y ) ^ { 2 }\)
• C) \(( 49 x + y ) ( x + 9 y )\)
• D) \(( 7 x - 3 y ) ( 7 x + 3 y )\)

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