Mathematics, 29.11.2019 13:31 Uhmjujiooo4220
Find the error, rashid and tia solve the quadratic equation (2x2-8x +10=0) by completing the square. who is correct? explain your reasoning.
rashid
2x^2β8x+10=0
2x^2β8x=β10
2x^xβ8x+16=β10+16
(xβ4)2=6
xβ4=Β±6ββ
x=4Β±6ββ
tia
2x^2β8x+10=0
x^2β4x=0β5
x^2β4x+4=β5+4
(xβ2)2=β1
xβ2=Β±i
x=2Β±i
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