Вопрос школьника по предмету Алгебра
ПОМОГИТЕ СРОЧНО!!!!раскройте скобкм.
(x-5) (x+5)
(7c+3) (7c-3)
(4x-9y) (4x+9y)
(a^2-26) (a2+26)
Ответ учителя по предмету Алгебра
= х² — 25
= 49с² — 9
= 16х² — 81у²
= а⁴ — 676
ПОМОГИТЕ СРОЧНО!!!!раскройте скобкм.
(x-5) (x+5)
(7c+3) (7c-3)
(4x-9y) (4x+9y)
(a^2-26) (a2+26)
= х² — 25
= 49с² — 9
= 16х² — 81у²
= а⁴ — 676
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(попрошу пожалусто вертикално)