Akkerman
Akkerman
19-01-2016
Mathematics
contestada
(а^2+1)(а-2)-а(а^2+1)
Respuesta :
taskmasters
taskmasters
19-01-2016
Expand the brackets
a^3-2a^2+a-2 -a^3-a
Simplify
-(2a^2-2)
Answer Link
Billymkhoi
Billymkhoi
19-01-2016
(a^2+1)(a-2) -a(a^2+1)
We perceive that a^2+1 is our common factor of the two terms. Therefore, we have:
(a^2+1)(a-2-a) (distributive property)
= (a^2+1)*(-2)
= -2a^2 -2
The final answer is -2a^2 -2
~
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