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 Posted: Sun Jul 08, 2007 4:10 pm
Here's a few rules I like to remember when doing algebra (I'm not the best at it, but these rules help):
-Minus minus makes a plus, remember that- there'll be no fuss.
-Combine like terms.
-When multiplying, add exponents.
-When dividing, subtract exponents.
heart Please add more here to help the ladies of Gaia! heart
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Posted: Fri Oct 26, 2007 4:15 pm
for multiplying numbers
think of faces smiley ones
_ _
+ minus times minus is plus
+ + plus times plus is plus
+
- + minus times plus is a minus
-
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