Odpowiedź:
x = -2 oraz y = - ¾
3x² + 4y = 3 · (-2)² + 4 · (- ¾) =
= 3 · 4 + (-3) = 12 - 3 = 9
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Odpowiedź:
x = -2 oraz y = - ¾
3x² + 4y = 3 · (-2)² + 4 · (- ¾) =
= 3 · 4 + (-3) = 12 - 3 = 9