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OpenStudy (anonymous):
slove and show all work please.
4+square root of 4 squared-4(-1)(x)
X= --------------
2(-1)
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OpenStudy (anonymous):
i think this needs an equation editor because it is not really clear
OpenStudy (anonymous):
looks like you are trying to solve something using the quadratic formula. if you post the original question it would be better.
OpenStudy (anonymous):
in particular that last x looks like it wants to be a number
OpenStudy (anonymous):
does thhis look better: -5=squared root of 4to the secound power-4 *-1(?) over 2(-1)
OpenStudy (anonymous):
\[-5=\frac{\sqrt{4^2-4\times -1\times x}}{-2}\] like this?
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OpenStudy (anonymous):
yes ecpect at the bottom its 2(-1)
OpenStudy (anonymous):
i hope so. get
\[10=\sqrt{16+4x}\] so
\[100=16+4x\]
\[84=4x\]
\[x=21\]
OpenStudy (anonymous):
and befote the square root equation itss 4+
OpenStudy (anonymous):
i just wrote -2 instead of 2(-1) because they are the same. steps clear?
OpenStudy (anonymous):
yeah i get it
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OpenStudy (anonymous):
good
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