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Year 12s: what will be the first way you research your future options? >>

Forums
Can someone help with this proof question pleaasee?

Can someone help with this proof question pleaasee?

Lina_Amiour

I dont get how they get 5

(edited 2 years ago)

If 2^2n was simply replaced with "x" you'd have
x + 4x = ...

(edited 2 years ago)

Reply 2

Lina_Amiour

ohh oki get it now. thank you very much

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