Question

Factorise the following :- x^3+2x^2+5x+10

Answer 1

Answer:

x = -2. substitute in above mentioned polynomial

then (- 2)^3. + 2 ( -2 )^ 2 + 5 ( -2 ) + 10= 0

so (x + 2) is one root for above polynomial

Answer 2

hope it's helpful....

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