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13 cards from this deck
Writing an algebraic expression as product of factors using brackets
Expanding brackets
Four terms
Multiply to ccc, add to bbb
One positive, one negative
(a+b)(a−b)(a + b)(a - b)(a+b)(a−b)
a2−b2a^2 - b^2a2−b2
Use multiple steps until no further factorisation possible
Look for common factors
a×ca \times ca×c
Expand back out to check original expression
Perfect squares
Common bracket in both groups
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