Question

factorisation a³-3a+2​

Answer 1

answer:

a = 1, - 2

Explanation:

a ³ - 3a+20

Any of the factors of 2 could be a value of a. We start

with a = 1

1³ - 3+2=0

Sa-1 is a factor.

a³ - 3a + 2 = (a − 1)(a² + 2a − 2)

= (a − 1)(a − 1)(a + 2) = (a − 1)²(a + 2) = 0 - -

So a 1 or a = - 2

Step-by-step explanation:

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