Answer is 9.
-3x^2 + 243 = 0
Bring 243 to the right.
-3x^2 = -243
Divide by -3.
x^2 = 243/3 = 81
Tak the square root of both sides.
x = 81^1/2 = 9.
Answer:
Step-by-step explanation:
Wheres the table?
once you get it I would be glad to help!
x=−2 and y=−4
If you need explanation Just ask!
