cylieratlliff cylieratlliff

09-01-2018
Mathematics

contestada

Find the value of x in the equation 2√ x + 20 = 15 + 3√ x .

A. 16
B. 1
C. –5
D. 25

Find the value of x in the equation 2 x 20 15 3 x A 16 B 1 C 5 D 25 class=

Respuesta :

09-01-2018

It would be B

It wouldn't be A, C or D because...
16 is a square number and can be simplified to a whole number... 4
-5 cannot be inside a surd and neither can any other negative numbers
25 is a square number and can be simplified to a whole number... 5

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