Your answer would be 3a + 9
Hope I helped!
~ Zoe
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:
Acute isosceles triangle!
Step-by-step explanation:
Hope this helps! :]
