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If x=x2+6x-40 what are the values of x?

If x=x2+6x-40 what are the values of x?
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If x=x2+6x-40 what are the values of x?

User Kevin Vandenborne
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1 Answer

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Hello,

x²+6x-40=x
==>x²+5x-40=0
Δ=5²+4*40=185


x= (-6-√(185))/(2) \ or \ x= (-6+√(185))/(2)

User Marten
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