x*3+x*2-5x-5=0 find its root
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Answer:
x*3+x*2-5x-5=0
x^2 ( x +1 ) -5 ( x +1 )
( x + 1 ) ( x2-5 )
( x+1 ) (x-√5 ) (x+√5 )
Roots are ,
-1 , √5 , -√5
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