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Mathematics 21 Online
OpenStudy (anonymous):

2x + 15 = x

OpenStudy (experimentx):

x=-15

OpenStudy (anonymous):

\[ \sqrt{2x+5} = x\]

OpenStudy (anonymous):

help ?

OpenStudy (anonymous):

A) x = 5 B) x = -3 C) x = 15 D) x = -3, 5

OpenStudy (experimentx):

2x+5 = x^2 => x^2 -2x-5 = 0 x = (2+sqrt(24))/2 and x = (2-sqrt(24))/2

jhonyy9 (jhonyy9):

x^2 -2x -5=0

OpenStudy (anonymous):

so d right ?

jhonyy9 (jhonyy9):

x=1+/- sqrt6

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