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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