Предмет: Алгебра, автор: artemromanenko319

СРОЧНО даю 50балов Спростіть вираз:(4х + 5)²
− 2х(8х + 1)

Ответы

Автор ответа: carpovd2018

1

Ответ:

$38x+25\\$

Объяснение:

$(4x+5)^2-2x(8x+1)=16x^2+40x+25-16x^2-2x=38x+25\\$

Автор ответа: iramazurk

1

Объяснение:

(4х + 5)² - 2х(8х + 1) =

16х² + 40х + 25 - 16х² - 2х =

(16х² - 16х²) + (40х - 2х) + 25 =

0 + 38х + 25 = 38х + 25

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