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14-04-2021
Mathematics

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

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Аноним Аноним

15-04-2021

Answer:

- 1

Step-by-step 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

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