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12 cards from this deck
Writing it in its most compact form possible
Terms with same variables raised to same powers
Combine their coefficients
Multiply everything inside by the term outside
Multiply ALL terms inside by the negative number
Multiply the numerical coefficients together
Add the powers (index law)
Divide numerator and denominator by their HCF
Reverse of expanding - taking out the HCF
Take the lowest power of each variable in all terms
Find a common denominator first
Lowest common multiple (LCM) of all denominators
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