Mathematics
OpenStudy (anonymous):

Solve. 3x^2 – 48 = 0 a. x = 3 and x = 16 b. x = 4 and x = –4 c. x = 16 and x = 4 d. x = 4 and x = 3

OpenStudy (anonymous):

$3x^2 – 48 = 0$$3x^2 = 48$$x^2= 48/3$$x^2=16$$x=\pm \sqrt{16}$$x=\pm 4$ So the answer is b.

razor99 (razor99):

its corect 100%

OpenStudy (anonymous):

thank u, i understand now