SOLUTION: the supply function for a certain products is p=q-10 and the demand function for the product is p(q+15)=350. Find the market equilibrium points (q,p) for the product? please hel

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Question 1140717: the supply function for a certain products is p=q-10 and the demand function for the product is p(q+15)=350. Find the market equilibrium points (q,p) for the product?
please help
Answer by greenestamps(13203) About Me  (Show Source):
You can put this solution on YOUR website!


p=q-10
p%28q%2B15%29=350

Solve the pair of equations simultaneously. With one equation specifically defining p in terms of q, substitution is easiest:

%28q-10%29%28q%2B15%29+=+350
q%5E2%2B5q-150+=+350
q%5E2%2B5g-500+=+0

Factor and solve, then choose the positive solution....