(i) x^3-3x^2-9x-5 – InterviewSolution

1.

(i) x^3-3x^2-9x-5

Answer»

x^3-3x^2-9x-5=x^3+x^2-4x^2-4x-5x-5=x^2(x+1)-4x(x+1)-5(x+1)=(x+1)(x^2-4x-5)=(x+1)(x-5)(x+1)=(x+1)^2(x-5)

nhi answer nhi hai

hai

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