Question

(х+6)^2=(х-4)(х+4)-8.

Answer 1

(х+6)^2=(х-4)(х+4)-8.
x²+12x+36=x²-16-8
12x=-60
x=-5

Answer 2

$(x+6)^{2}=(x-4)(x+4)-8 x^{2} +12x+36= x^{2} -16-8 12x= -60 :(12) x= -5$