If a(x)=c^2-1 and b(x)=c^2+1, then which statement is not true?

(1) a(x)*b(x)=c^3+c^2-c-1
(2) a(x)+b(x)=c^2+c
(3) a(x)-b(x)=c^2-c-2
(4) a(x) / b(x)=c+1

What can you determine about the solutions of this system

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?

Aphrase is shown read the phrase and give me the answer