Question

how to factorise cubic polynomial ​

Answer 1

HEY MATE HERE'S UR ANSWER ❤ ❤ ❤ ❤ ❤ ❤ ❤ ❤ ❤ ❤ ❤ ❤ ❤

There are two identies for this :

Identity 1.

(a+b)= a^3+b^3+3ab (a+b)

Identity 2.

(a-b)= a^3-b^3-3ab (a-b)

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Answer 2

1) group the polynomial into two sections

2) find what the common in each section

3) factor the commonilities find out the two terms

4) if each of two terms contain the same factor, you can combine the factor together

5) find the solution by looking at the roots