Answer:
3×5 please lmk if that is what u need
Answer:
f(x)=x^2+3
f(x+y)=(x+y)^2+3
this is done by replacing x with (x+y)
f(x+y)=x^2+2xy+y^2+3
therefore : f(x+y)= x^2+y^2+2xy+3
Answer:
x=2
Step- by-step explanation:
Distribute:
12x-8=16
12x=24
x=2
Answer: the amount of headbands they can be able to make is 12