1.

Fractorize this: a²+a-2​

Answer»

ANSWER

Now,

X

2

+3x−(a

2

+a−2)

=x

2

+3x−(a+2)(a−1)

=x

2

+{(a+2)−(a−1)}x−(a+2)(a−1)

=x(x+a+2)−(a−1)(x+a+2)

=(x+a+2)(x−a+1).


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