Question

Factorise any cubic polynomial
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Answer 1

Answer:

Group the polynomial into two sections. Grouping the polynomial into two sections will let you attack each section individually.[1] X Research source Say we're working with the polynomial x3 + 3x2 - 6x - 18 = 0. Let's group it into (x3 + 3x2) and (- 6x - 18)