31Dec

(x+2)^2-5(x-4)=(x-6)(x+6)

tagan80 Математика 1 1

(x+2)^2-5(x-4)=(x-6)(x+6)

Posted by tagan80 | Posted at Dec 31, 2013 | Categories: Математика

Answers

darinka2011
darinka2011

x² + 4x + 4 - 10x + 20 = x² - 36 -6x = -36 - 24 6x = 60 x = 10 Ответ: 10

Dec 31, 2013 22:04

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