Question

factorise the cubic polynomial p(x)=x^3+3x^2+5x+15

Answer 1

Answer:

23+15=x

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Answer 2

Answer:

p(x)=x^3+3x^2+5x+15

0+x^4+3x^2+5x+15

x= -3

Step-by-step explanation:

subtitute p (x)=0

solve the equation