Question 1040452
.
<pre>
Can you multiply and simplify this:

(a+b)*(c+d) ?

If you can, then do the same with (2&#8730;7+6&#8730;2)(&#8730;7+4&#8730;2).

You have a = 2&#8730;7, b = 6&#8730;2, c = &#8730;7 and d = 4&#8730;2.
</pre>