SOLUTION: (2x^2-5)/3=-4

Algebra ->  Test -> SOLUTION: (2x^2-5)/3=-4      Log On


   



Question 401472: (2x^2-5)/3=-4
Answer by sofiyac(983) About Me  (Show Source):
You can put this solution on YOUR website!
+%282x%5E2-5%29%2F3=-4+ multiply each side by 3
+2x%5E2-5+=+-12+ add 5 to each side
+2x%5E2=-7 divide each side by 2
x%5E2=-3.5 take square root of each side
x=sqrt%28-3.5%29 if you learned imaginary numbers already then simplified answer would be
x=i%2Asqrt%283.5%29