find the solution of x²-8x=-5 by completing the square
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find the solution of x²-8x=-5 by completing the square
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Answer:
x=4+√11 or x=4−√11
Step-by-step explanation:
x²−8x=−5
x²−8x+16=−5+16
x²−8x+16=11
(x−4)²=11
x−4=±√11
x−4+4=4±√11
x=4±√11
x=4+√11 or x=4−√11
Answer:
x=4+√11 or x=4−√11