Cubic equations - mathcentre.ac.uk
Cubic equations mc-TY-cubicequations-2009-1 A cubic equation has the form ax3 +bx2 +cx+d = 0 where a 6= 0 All cubic equations have either one real root, or three real roots. In this unit we explore why this is so. Then we look at how cubic equations can be solved by spotting factors and using a method called synthetic division.
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