Factor Completely Using the Grouping Method to Factor Trinomials $10 y ^ { 2 } + 21 y + 9$

question 68

Multiple Choice

Factor completely using the grouping method to factor trinomials. If unfactorable, indicate that the polynomial is prime.
- $10 y ^ { 2 } + 21 y + 9$

• A) \(( 2 y + 3 ) ( 5 y + 3 )\)
• B) \(( 2 y - 3 ) ( 5 y - 3 )\)
• C) prime
• D) \(( 10 y + 3 ) ( y + 3 )\)

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