Question

Решить 1 вариант, срочно!

Answer 1

$1. \\ a)(y - 10)(y + 10) \\ b)(a + 5 ) ^{2} \\ v)( \frac{1}{2} - c)( \frac{1}{2} + c ) \\ g)(x - 8) ^{2}$
$2. \\ a) {a}^{2} + 4a + 4 \\ b)25 - 10b + {b }^{2} \\ v)9 {b}^{2} - 6bc + {c}^{2} \\ g) {a}^{4} + {a}^{2} x - {a}^{2} x - {x}^{2} = {a}^{4 } - {x}^{2}$