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Remember from your arithmetic days (or is that daze?)
what this means?
That's
three
2's all multiplied together:
As you know by now, in
Algebra, we work with that unknown guy...
Mr. X!
The thing to remember
is that
x is a number -- we
just don't know which one.
So, all the stuff you
learned in arithmetic works here too!
What if we stick a
5 in front of this thing?
The
5 is called a
coefficient (because it's a
number in front of
an x guy) and it's just
multiplied in with the x's.)
Remember that
x is some
mystery number...
What would we get if we let x = 3?
Continued on the
next
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