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Автор - terskihlena20050612

2х^2+48x+64 при х= -8

Ответ

Автор - tatuin57

подставь вместо х   -8.

2*(-8)²+48*(-8)+64=2*64-48*8+64=128-384+64=-192

Ответ

Автор - trscott

2х^2+48x+64 = 2х²+48x+64 = 2(х²+24х+128 - 128 + 32) = 2( (х+16)(х+8) - 96) = 2(8*0 - 96) = -192

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