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OpenStudy (anonymous):
Quadratic formula for: 255=x/(.1510-x)(.180-x)
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OpenStudy (anonymous):
can you multiply the terms in (.1510-x)(.180-x)
OpenStudy (anonymous):
Yes
OpenStudy (anonymous):
I got .02718-.331x-x^2 with the answers of -.151 and -.18
OpenStudy (anonymous):
so what is your question now?
OpenStudy (anonymous):
Did I do that correctly? I need to solve for x, so to do that I take the answer to the quadratic formula and then multiply by the 255, correct?
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OpenStudy (anonymous):
Plug the values and check.
OpenStudy (anonymous):
No first multiply everything (perform the cross multiplication and simplify) and then solve.
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