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(2a-1)(8a-5) (5n+6)(5n-5) need help
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(2a-1)(8a-5)




(5n+6)(5n-5)

need help

User Carvellis
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1 Answer

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(2a-1)(8a-5)=16a^2-10a-8a+5=16a^2-18a+5


(5n+6)(5n-5)=25n^2-25n+30n-30=25n^2+5n-30=5(5n^2+n-6)
User Paolo RLang
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