algebra 1A
posted by Lea .
HELP ME.simplify{[4(z4)+18][3(2z2)+4]}
6{[4(z4)+18][3(2z2)+4]}
simplify your answer. can someone help me please I have no clue. thank you

Help please!
Simplify 4^2+9
4^2+9= 12
is this correct? if not can you show me what the correct answer?
thank you