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10 cards from this deck
Multiply to ccc, add to bbb
First and last coefficients: a×ca \times ca×c
Split it using those 2 numbers
Factorize each pair by grouping
Set each factor to zero, then solve
One (or both) factors must be zero
Equation mode, polynomial, degree 2
Coefficients aaa, bbb, ccc
Save time & check, but show method for marks
222 and −8-8−8
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