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anonymous

  • one year ago

f(x) = (2x + 3)(x − 2) and g(x) = 2x2 − 16. Find g(x) − f(x).

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  1. anonymous
    • one year ago
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  2. P0sitr0n
    • one year ago
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    To do it, you need to expand the brackets, and then do pointwise subtractions on same powers of x's. Thus, \[( 2x^2 − 16)-(2x + 3)(x − 2)=2x^2-16-2x^2+4x-3x+6= -10+x\]

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