Factor Completely $$9 x ^ { 4 } + 21 x ^ { 3 } - 9 x ^ { 2 } - 21 x$$

question 122

Multiple Choice

Factor completely.
- $$9 x ^ { 4 } + 21 x ^ { 3 } - 9 x ^ { 2 } - 21 x$$

• A) \(- 3 x ( 3 x + 7 ) ( x + 1 ) ( x - 1 )\)
• B) \(3 x ( 3 x + 7 ) ( x + 1 ) ( x - 1 )\)
• C) \(3 x ( 3 x - 7 ) ( x + 1 ) ( x - 1 )\)
• D) \(3 x ( 3 x + 7 ) ( x + 1 ) ^ { 2 }\)

Recognize the developmental changes in vision across the lifespan.

Identify common eye conditions and abnormalities, including their management and referral criteria.

Understand the physiological variations in eye examination findings among different racial groups.

Recognize the normal anatomy and physiological functions of the eye, including the lacrimal apparatus and the visual pathways.

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