PDF chapter test TRY NOW

Find the value of the trinomial algebraic expression 3xay+bz,
 
where a=3c,b=12c3, 
x=5c3+2,y=5c2c+11,z=5c1
 
Answer:
 
ic4+ic3+ic2+ic+i
 
If there are negative numbers, enter them with the “\(-\)” sign in one window.