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11 cards from this deck
Squared term
ax2+bx+cax^2+bx+cax2+bx+c where aaa, bbb, ccc are constants
Expanding brackets
Coefficient of xxx (which is bbb)
Constant term (which is ccc)
a2โb2a^2-b^2a2โb2
(a+b)(aโb)(a+b)(a-b)(a+b)(aโb)
(x+4)(xโ4)(x+4)(x-4)(x+4)(xโ4)
aรca \times caรc
Splitting the middle term
Factorising by grouping
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