(72+9) is equivalent to which expression

Answer:9 ( 8 + 1 ) is equivalent to  (72+9).Step-by-step explanation:Given : (72+9)To find : equivalent expression.Solution : We have given that (72+9).Taking 9 common from parenthesis we get,9 ( 8 + 1 ).Therefore, 9 ( 8 + 1 ) is equivalent to  (72+9).