SOLUTION: Solve the equation 3x^2-192=0 by finding the square root. If the equation has no solution , write no solution.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Solve the equation 3x^2-192=0 by finding the square root. If the equation has no solution , write no solution.       Log On


   

Question 960226: Solve the equation 3x^2-192=0 by finding the square root. If the equation has no solution , write no solution.
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
Difference of squares (not square roots):
3x%5E2-192=0 Divide each side by 3
x%5E2-64=0
%28x-8%29%28x%2B8%29=0
x-8=0 or x%2B8=0
x=8 or x=-8
ANSWER: x=8 or -8