Factor the Polynomial by Substitution $$15 z ^ { 4 } + 2 z ^ { 2 } - 8$$

question 487

Multiple Choice

Factor the polynomial by substitution.
- $$15 z ^ { 4 } + 2 z ^ { 2 } - 8$$

• A) \(\left( 5 z ^ { 4 } + 4 \right) ( 3 z - 2 )\)
• B) \(\left( 3 z ^ { 2 } + 2 \right) \left( 5 z ^ { 2 } - 4 \right)\)
• C) \(\left( 3 z ^ { 4 } + 2 \right) ( 5 z - 4 )\)
• D) \(\left( 5 z ^ { 2 } + 4 \right) \left( 3 z ^ { 2 } - 2 \right)\)

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