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12 December, 00:46

If f (x) = - 3x4 - 2x3 + 3x2, and g (x) = 3x4 - 4x3 + x2 then f (x) + g (x) =

A. 2x3 - 2x2

B. - 6x3 + 4x2

C. - 3x4 - 6x3 + 4x2

D. 3x4 + 2x3 - 2x2

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Answers (1)
  1. 12 December, 03:34
    0
    I'm assuming the the numbers coming after the variables are meant to be exponents, and if I'm wrong just let me know

    -3x^4 - 2x^3 + 3x^2 + 3x^4 - 4x^3 + x^2, rearrange to have like terms in order

    -3x^4 + 3x^4 - 2x^3 - 4x^3 + 3x^2 + x^2, now simplify

    0 - 6x^3 + 4x^2
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