Asked by trent
4x^2=80x-400
Answers
Answered by
Reiny
divide each term by 4 and move all terms to the left
x^2 - 20x + 100 = 0
(x - 10)^2 = 0
x-10 = 0
x = 10
x^2 - 20x + 100 = 0
(x - 10)^2 = 0
x-10 = 0
x = 10
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