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Related Quadratic Equation help please!!!

bosco9871 · 2013-02-28 21:35:02

Can anyone show me how to do this Quadratic equation please. Solve the equation x²-2x-8=0 Hence solve the equation (y-3)² -2 (y-3) -8 =0 Thank you. :confused:

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28-02-2013 10:35pm

#1

bosco9871

Registered Users Posts: 36 ✭

Join Date: March 2008

Posts: 31

Can anyone show me how to do this Quadratic equation please.

Solve the equation x²-2x-8=0
Hence solve the equation (y-3)² -2 (y-3) -8 =0

Thank you.

0

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#2 01-03-2013 10:41pm
MmmPancakes

Registered Users Posts: 712 ✭✭✭

Join Date: May 2012

Posts: 704

x²-2x-8=0
(x-4)(x+2)=0
x=4, x=-2

x = y - 3
4 = y - 3
y = -7

x = y - 3
-2 = y - 3
y = -1

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#3 01-03-2013 10:53pm
bosco9871

Registered Users Posts: 36 ✭

Join Date: March 2008

Posts: 31

Thank You

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