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Mathematics 20 Online
zarkam21 (zarkam21):

@3mar brother is this correct?

zarkam21 (zarkam21):

OpenStudy (misty1212):

HI!!

OpenStudy (misty1212):

still at these i see

zarkam21 (zarkam21):

Yes dear :/

OpenStudy (will.h):

It's correct

OpenStudy (misty1212):

you got it, must know this by now huh?

zarkam21 (zarkam21):

Well I solve it and I get a square root for a problem. For instance this problem I got\[x=\frac{ 11+\sqrt{53} }{ 2}\]

zarkam21 (zarkam21):

I didn't know what the second value would be, so would it always just be the same problem but "-"

OpenStudy (misty1212):

that is correct, but also \[x=\frac{ 11-\sqrt{53} }{ 2}\]

OpenStudy (misty1212):

ususally abbreviated as \[x=\frac{ 11\pm\sqrt{53} }{ 2}\]

OpenStudy (misty1212):

quadratic formula is mostly written with the \(\pm\) meaning two number, one with plus, one with minus \[\huge \frac{-b\pm\sqrt{b^2-4ac}}{2a}\]

zarkam21 (zarkam21):

Oh okay

zarkam21 (zarkam21):

Thanks cupcake

OpenStudy (misty1212):

\[\color\magenta\heartsuit\]

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