a3 + 2a2 - a - 2: factorise it.
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Answer:
Step-by-step explanation:
a^2(a+2)-1(a+2)
(a^2-1)(a+2)
a=1or a=-2
ebrenneme:
thanks for trying but the answer is incorrect.
I think a^2-1=(a+1)(a-1)
the answer will be a=-1,+1
yes
and -2
-2 also
Answered by
2
here your answer dear............
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i am afraid you didn't get the question its a^3 not 3à
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