Answer:

factorise out a and x :

but from general factorization:

a » x
b » 2
therefore:

A = √(15²-9²) = √(225-81) = √144 = 12
Answer:
Apex: 119,436.80
Step-by-step explanation:
(x+4)²=-63
....brainliest would be appreciated
Answer:
-12
Step-by-step explanation: