Question

If f(x)= x^(3)-5x^(2)+x+2, g(x)=2x^(3)-3x^(2)-4x-8. what is the sum of f(x)+g(x)? *​

Answer 1

Answer:

3x^(3) - 8x^(2) - 3x - 6

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Answer 2

Answer:

f(x) = x³ - 5x² + x + 2

g(x) = 2x³ - 3x² - 4x - 8

then , f(x) + g(x),

x³ - 5x² + x + 2 + 2x³ - 3x² - 4x - 8

let's bring the like terms together ,.

x³ + 2x³ - 5x² - 3x² + x - 4x + 2 - 8

= ( 3x³ - 8x² - 3x - 6 ) =

so,

f(x) + g(x) = 3x³ - 8x² - 3x - 6

[ hope it helps you]