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Solve the following quadratic equation for all values of x in simplest form (x+4)²+38=47 ​

User Stephen Cox
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1 Answer

21 votes
21 votes

Answer:

- 1

Explanation:

( x + 4 )² + 38 = 47

( x + 4 )² = 47 - 38

( x + 4 )² = 9

( x + 4 )² = 3²

Square root on both sides,

x + 4 = 3

x = 3 - 4

x = - 1

User Adam Cameron
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