Question

Solve k^2-k=27 plz tell me it's answer

Answer 1

Step-by-step explanation:

k^2 - k = 27

=> k( k - 1) = 27

=> k= 27. or

k-1 = 27

=> k = 28

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Answer 2

the answer is

(1+√109)/2 and

(1-√109)/2

therefore

k=5.7 and 4.7

solved by using

(-b+or-√((-b)^2-4ac))/2a

where a=1, b=-1, c=-27