You would first look at the tens place numbers; 10 and 30. and add them together making 40. after that you'd take the ones places and add them together; 7 and 8. add those together and you'd get 15. to finish you just need to add the two numbers together 40 and 15.
9x squared over d
hope this helps:)
Answer:
section covers somplifying algebraic expressions
Step-by-step explanation:
<h3>
(4
)(2
) =
= 2/x⇒</h3>