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Sagot :

Treviousmerrittidn

Answer: A    x=3,-27

Step-by-step explanation:

Clarch19idn

Answer:

x = 3 and also x = -27

Step-by-step explanation:

(x² + 24x)^1/4 = 3

multiply each side by ^4

(x² + 24x)^1/4(^4/1) = 3^4

multiplying the exponents 1/4 by 4/1 results in an exponent of 1

(x² + 24x)^1 = 81

x² + 24x - 81 = 0

(x - 3)(x + 27) = 0

x - 3 = 0   therefore, x = 3

x + 27 - 0   therefore, x = -27

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