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OpenStudy (anonymous):
Factor the following trinomial.
x^2 + 25x + 156
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OpenStudy (anikate):
\[\frac{ -b \pm \sqrt{b ^{2}-4ac}\ }{ 2a }\]
OpenStudy (anikate):
plug the numbers in and see what u get
OpenStudy (anonymous):
\[-25\pm \frac{ \sqrt{25^2-4(1)(156)} }{ 2(1) }?\]
Like this?
OpenStudy (anikate):
yup!! :D AWesome!!
OpenStudy (anikate):
make sure to do 2 equations where in one it is subtracting and the other it is adding
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OpenStudy (anonymous):
\[-25\pm \frac{ \sqrt{1} }{2 }\] or \[-25\pm \frac{ 1 }{ 2 }\]
Do I get rid of the square root/division sign or no?
OpenStudy (anikate):
just a sec. lemme check
OpenStudy (anikate):
either way is fine
OpenStudy (anikate):
i would prefer the second one just to make it easier and removing as many roots as possible for whole numbers
OpenStudy (anonymous):
now i separate it?
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OpenStudy (anikate):
yes do 2 equations, one would be adding and the other will be subtracting
OpenStudy (anikate):
aw darn it! sry for sending you on a goose chase, i just made u find the x values not the factorizin. sry man!!
OpenStudy (anikate):
(x+12)(x+13)
OpenStudy (anikate):
|dw:1395804199944:dw|
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