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what are both solutions for the quadratic equation below: 3x^2 - 5x - 1 = 0
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use the quadratic formula
i know the formula i just confuse myself while applying it.
a=,b=-5,c=-1 \[x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}=\frac{-(-5) \pm \sqrt{(-5)^2-4(3)(-1)}}{2(3)}\]
\[x=\frac{5 \pm \sqrt{25+12}}{6}=\frac{5 \pm \sqrt{37}}{6}\]
What do i do about the plus/minus symbol. idk how to use it
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you have solutions one with the + and one with the -
thannk you:)
\[\frac{5 \pm \sqrt{37}}{6}\] is the same as saying: \[\frac{5+\sqrt{37}}{6}. \frac{5-\sqrt{37}}{6}\]
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