poopb4281 poopb4281
  • 02-02-2018
  • Mathematics
contestada

r(x)=(500+ax)(50-bx)

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JustSarah JustSarah
  • 02-02-2018
When there is a sign in front of the parentheses change the sign of each term in parentheses

Answer is 25000+500bx-50ax+abx^2
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