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Lauryn receives a discount on each book she purchases. The original price of each book is x dollars. She purchase 4 books for a total of (2x - 12) dollars. Factor the expression…

Lauryn receives a discount on each book she purchases. The original price of each book is x dollars. She purchase 4 books for a total of (2x - 12) dollars. Factor the expression…
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Lauryn receives a discount on each book she purchases. The original price of each book is x dollars. She purchase 4 books for a total of (2x - 12) dollars. Factor the expression. What can you conclude about the discount?

User Dirigible
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If lauryn has purchased 4 books you have to do (2x-12)^4. Expand it to: (2x-12)(2x-12)(2x-12)(2x-12) multiply together. Then solve for x. If you need more help let me know.
User Jite
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