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Given (x – 1)2 = 50, select the values of x. x = –49 x = 51 x=1+5squareroot2 x=1-5squareroot2

1 Answer

5 votes

Answer:


\sf x = -1 + 5√(2) \ ; \ x = -1 - 5√(2)

Explanation:

(x - 1)² = 50

Take square root both sides,


\sf x + 1 = \± √(50)\\\\x + 1 = \± √(5*5*2)\\\\x + 1 = \± 5√(2)\\\\x = -1 \± 5√(2)


\sf x = -1 + 5√(2) \ ; \ x = -1 - 5√(2)

User Anders Ekdahl
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