Hello there today we will solve your problem, we will need to factorize btw...
First we will factor , which gives us
factorize giving us
cancel the common factor
and we get
Answer: x = 5
Step-by-step explanation:
Want me to show this, or did you just want the answer?
f(4)=4+21
4+21=25
f(4)=25
You insert in 4 into the x and then solve from there and you have you're answer. So the output for that function is 25.
Answer:2 + x
Step-by-step explanation: