Question

Разложить на множители 1)9х2-4 2)с2-0.16 3)а2-2ас+с2

Answer 1

$1)9 {x}^{2} - 4 = (3x - 4)(3x + 4) \\ 2){c}^{2} - 0.16 = (c - 0.4)(c - + 0.4) \\ 3) {a}^{2} - 2ac + {c}^{2} = {(a - c)}^{2}$