Question

Помогите срочно !!¡!!¡!!
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Answer 1

$1) \: 8 {x}^{2} - 8 {y}^{2} = 8(x - y)(x + y)$

$2) \: - {a}^{2} + 6a - 9 = - {(a - 3)}^{2}$

$3) \: a {c}^{3} - c {a}^{3} = ac(c - a)(c + a)$

$4) \: 36 {x}^{2} - x = x(36x - 1)$

$5) \: 2 {x}^{2} + 8xy + 8 {y}^{2} = 2 {(x + 2y)}^{2}$