solve the equation

(x+4)^2=2x^+19x+46

(x+4)^2 = 2x^2 + 19x + 46

(x + 4)(x + 4) = 2x^2 + 19x + 46
x^2 + 8x + 16 = 2x^2 + 19x + 46

collect like terms, then solve
you try and post back if you need help