Question

x^2-5x-36=0 complete squaring method
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Answer 1

Answer:

x2- 5x - 36=0

x2-2×x×5/2+(5/2)2-(5/2)2-36=0

(x-5/2)2 = 36+5/2

(x-5/2)2= (72+5)/2

x= √77/2+ 5/2or √77/2-5/2

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