Question

16. y = (x - 1)(x2 + x + 1)
Sol.​

Answer 1

Step-by-step explanation:

y=(x-1)((x^2)+x+1)

y=x((x^2)+x+1)-1((x^2)+x+1)

=((x^3)+(x^2)+x)-x^2-x-1

=(x^3-1)

=x^3-1

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