solve the equations 4x(x−4)=x−15?

solve this equation 4x(x-4)=x-15
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?????? equashuns ???...its 1 equashun...yu hav 1 "="

4x(x+4)=x-15

4x^2 +16x -x +15=0

4x^2 +15x +15=0

yuze quadratik equashun

get zeroes=-1.875 +- 0.4841229i   (komplex variabels)

b^2 -4ac=-15, root(-15)=3.872983346 i
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