Mathematics, 30.04.2021 23:20 arjunchandrasek

Write 5x²-20x-1=0 in vertex form. the answer in the text book is 5(x-2)²-21=0
I really would appreciate it, my pre calculus teacher isn't teaching us alot of the questions he assigned to us.

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Write 5x²-20x-1=0 in vertex form. the answer in the text book is 5(x-2)²-21=0
I really would...