Answer:
Not equivalent
Step-by-step explanation:
The three would also be distributed to z making the correct equivalent expression 15+3z
Your factoring answer is: (x^2+25)(x+5)(x-5)
I'm not entirely sure of what you're asking for, but i guess this might be the answer you're looking for?
Answer:
-439
Step-by-step explanation:
s (x) =2-x^2
t (x)=3x
s (t(-7))
First find t(-7)
t (-7)=3*-7 = -21
Then find s(-21)
s(-21) = 2 -x^2 = 2 - (-21) ^2 = 2 -441 =-439
Please upload the diagram