Ответ:
[tex]x1 = - \frac{21}{4} [/tex]
[tex]x2 = \frac{35}{4} [/tex]
|4×7|+14=42
|-28|+14=42
28+14=42
42=42= ИСТИНА
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Ответ:
[tex]x1 = - \frac{21}{4} [/tex]
[tex]x2 = \frac{35}{4} [/tex]
Ответ:
|4×7|+14=42
|-28|+14=42
28+14=42
42=42= ИСТИНА