Answer:
4. is 52 because 13 times 4
5. is 25
Step-by-step explanation:
X=7
I need more information.
if b+c=0
b=-c
x^b=x^-c
so
1/[2(x^b)+1]
I'm not sure what you're asking but if you're looking for simplification, here it is. -7x² + 2x - 12