02Jan

уравнение (x-3)(x+3)-x^2=3x

валя110697 Алгебра 2 0

уравнение (x-3)(x+3)-x^2=3x

Posted by валя110697 | Posted at Jan 02, 2014 | Categories: Алгебра

Answers

Урсик
Урсик

x^2-9-x^2=3x -9=3x x=-3

Jan 03, 2014 01:43
Ласкава
Ласкава

(x-3)(x+3)=x²-9 x²-9-x²=3x 3x=-9 x=-3

Jan 03, 2014 01:44

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