anonymous
  • anonymous
How do u do quadratic equations i dont get it?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
for example: -3xsquared+75=0
anonymous
  • anonymous
That one is one you can probably solve like a regular equation: -3x^2=-75 x^2=-75/-3=25 square root both sides and x=5
anonymous
  • anonymous
There are other methods for solving more complicated quadratic equations such as factoring and the quadratic formula.

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anonymous
  • anonymous
how do u do that?
anonymous
  • anonymous
Quadratic equations come in this format: ax^2+bx+c If you want to use the quadratic formula it's x\[(-b \pm \sqrt{b^2-4ac})/2a\] If you want to factor you can sometimes divide by a GCF. Often you have to put it in this format: (x+k)(x+m). m & k have to be 2 number such that, when you multiply them together you get c, and when you add them together you get b.
anonymous
  • anonymous
* x=

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