Albert0898
  • Albert0898
I'm really smart when it comes to math, but I just had a brain fart... How do you solve #34 from this practice test... http://schools.nyc.gov/documents/teachandlearn/learnathome/regents/integrated-algebra-review-booklet-final.pdf And give me the steps!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
This looks like a quadratic equation in disguise ^.^
anonymous
  • anonymous
I mean if you multiply the whole thingy with x(x-12) You get (x+1)(x-12) = -7x
anonymous
  • anonymous
and as long as your answers are neither 0 nor 12 it should be fine ^.^

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Albert0898
  • Albert0898
Yea I got up to that part, but then they ask to solve for x.
anonymous
  • anonymous
well? x² - 11x - 12 = -7x
anonymous
  • anonymous
x² - 4x - 12 = 0
Albert0898
  • Albert0898
Yea, I just figured that out too... my god. I hate brain farts... -.-. Thank you!! :)
anonymous
  • anonymous
:)
dumbcow
  • dumbcow
whenever you have fraction = fraction ... you can cross-multiply to get rid of fractions

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