Question 170894
m^2 = 8m + 3
m^2-8m-3=0
(m)^2-2(m)(4)+(4)^2-(4)^2-3=0
(m-4)^2-16-3=0
(m-4)^2-19=0
(m-4)^2=19
±√(m-4)^2=±√19
m-4=±4.36
m=±4.36+4
m=8.36&-0.36