Buzathris
6 год назад
(5a-10)^2-(3a-8)^2+132a при a = -6
ОТВЕТЫ
Kadashaba
Jun 30, 2019
25a^2 - 100a + 100 - (9a^2 - 48a + 64) + 132a =
= 25a^2 - 100a + 100 - 9a^2 + 48a - 64 + 132a =
= 16a^2 + 80a + 36
a = - 6
16 ( - 6)^2 +80(-6) + 36 = 16*36 - 480 + 36 = 132
= 25a^2 - 100a + 100 - 9a^2 + 48a - 64 + 132a =
= 16a^2 + 80a + 36
a = - 6
16 ( - 6)^2 +80(-6) + 36 = 16*36 - 480 + 36 = 132
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