How do you solve #4x^2 -18=82# graphically and algebraically?
1 Answer
Sep 11, 2017
By arranging the original equation
Explanation:
Your equation can be written
The solution for x is
Graphically the solution is provided below
When y is zero, you can find x (-5 and +5)
graph{(x^2)-25 [-10, 10, -30, 20]}