The Singing Hedgehog Guide to:
Algebra - Simplification 4
Remember we "BUNG TOGETHER THINGS THAT ARE THE SAME"
Here are some final examples:
a) x + x² can't do anything - x and x² are different
b) x(x + y) just multiply:
x² + xy that's it!
c) x(x + y) + x² multiply out then tidy up:
x² + xy + x²
2x² + xy finished!
Now you need to practise:
downloadable worksheet
(save this file then run it)
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