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Mathematics 15 Online
OpenStudy (anonymous):

v

OpenStudy (solomonzelman):

x^2-3x=-8 x^2-3x+8=-8+8 x^2-3x+8=0 Do the quadratic formula, do you know how to?

OpenStudy (anonymous):

yea that would make it 3 sqrt 23

OpenStudy (anonymous):

@SolomonZelman

OpenStudy (solomonzelman):

\[\huge\color{blue}{\frac{-(-3)±\sqrt{(-3)^2-(4 \times 8 \times 1)}}{2 \times 1}}\] Answer this question, Did you learn about imaginary numbers? ( variable i -sqrt(-1) )

OpenStudy (solomonzelman):

it's actually\[\huge\color{red}{\frac{3±\sqrt{-23}}{2}~~~or~~~\frac{3±i \sqrt {23}}{2}}\]

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