Step-by-step explanation:
4x^2-9
=(2x)^2 -3^2
=(2x+3) (2x-3)
Hope this helps you.
Answer:
90-55= 35 degrees
Step-by-step explanation:
Answer:
????
Step-by-step explanation:
well thanks for the free points :)
Suppose

if a>0 it has min if 0>a it has max
I can’t see any of the angles there