X²-6X=16 !!!!!!!!!!!!!!!!!!

Question

X²-6X=16 !!!!!!!!!!!!!!!!!!

Answer 1

Ответ х1 = -2,х2=8


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Answer 2

X^2-6x=16
x^2-6x-16=0
D=b²-4ac= (-6)^2-4*1*(-16)=36+64=100
√D=√100=10

x1=-b-√D/2a= 6-10/2*1= 6-10/2*1=-4/2=-2
x2=-b+√D/2a=6+10/2*1=16/2=8