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surryyy

  • one year ago

What is f(x) x g(x) if f(x)=2x+3 and g(x)=4x ? 6x+3 6x^2+12x 8x^2+12x 8x+3

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  1. freckles
    • one year ago
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    is that one x suppose to be a multiplication sign or is it the variable x?

  2. freckles
    • one year ago
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    i think it is multiplication sign \[f(x) \cdot g(x)\] replace f with (2x+3) and g with (4x) \[(2x+3)(4x)\] distribute

  3. surryyy
    • one year ago
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    should the final answer be 8x^2+12x?

  4. surryyy
    • one year ago
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    @imqwerty

  5. freckles
    • one year ago
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    yes 2x(4x)=8x^2 and 3(4x)=12x so (2x+3)(4x) is 8x^2+12x

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