Question

x(x+4)(x+4)=0....................

Answer 1

$x(x + 4) \times (x + 4) = 0 \\ x \times (x + 4) {}^{2} = 0 \\ x = 0 \\ (x + 4) {}^{2} = 0 \\ x + 4 = 0 \\ x = - 4 \\ x = 0 \\ x = - 4 \\ x {}{1} = - 4 \\ x2 = 0$