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Andru [333]
3 years ago
10

F(x)=x^3-2x+6 g(x)=2x^3+3x^2-4x+2 Find (f-g)(x).

Mathematics
1 answer:
____ [38]3 years ago
7 0
(f-g)(x) = f(x) - g(x)
  = (x^3 -2x+6) - (2x^3+3x^2-4x+2)
  = x^3 -2x +6 -2x^3 -3x^2 +4x -2 . . . . distribute the negative sign
  = (1-2)x^3 -3x^2 +(-2+4)x +(6-2) . . . . . combine like terms

(f-g)(x) = -x^3 -3x^2 +2x +4
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