If f(x)=x^3-2x^2+12x-6 and g(x)=4x^2+6x+4, find (f-g)(x)

Question

asked Jul 8, 2020 187k views

2 Answers

Himangshuj · Answer 1 · 2020-07-15T09:32:16+0000

Answer:

(f-g)(x) = x^3 -6x^2 +6x -10

Explanation:

(f-g)(x) = f(x) - g(x) = (x^3-2x^2+12x-6) - (4x^2+6x+4)

= x^3 + x^2·(-2-4) +x·(12 -6) + (-6-4)

= x^3 -6x^2 +6x -10