If f(x)=3 x^{3}-5 x^{2}+9 \text { find } f(x-2) – InterviewSolution

1.

If f(x)=3 x^{3}-5 x^{2}+9 \text { find } f(x-2)

Answer»

Given f(x) = 3x³-5x²+9 so f(x-2) will be = 3(x-2)³-5(x-2)²+ 9 = 3(x³-2³ -6x(x-2)) -5(x²+4-4x) +9 = 3x³ -24-18x²+36x -5x²-20+20x+9 = 3x³-23x²+56x-35.

10 by putting method 3x( 2)3-5x(2)2+9

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