5x - x2 (do potęgi 2)
x = - 2
proszę szybko !!! ;)
5*(-2)-(-2)²=-10-4=-14
5*(-2) - (-2 * 4) = -10 - (-8) = -2
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5*(-2)-(-2)²=-10-4=-14
5*(-2) - (-2 * 4) = -10 - (-8) = -2