Question

помогите плз. 1) y^2-16=0.
2) x^5-x^3=0

Answer 1

$1) \: (y - 4)(y + 4) = 0 \\ y1 = 4 \\ y2 = - 4 \\ \\ 2) {x}^{3} ( {x}^{2} - 1) = 0 \\ {x}^{3} = 0. \: \: x1 = 0 \\ {x}^{2} - 1 = 0 \\ (x - 1)(x + 1) = 0 \\ x2 = 1 \\ x3 = - 1$