(y-2)(y+3)-y(y-6) dla y = -1 ¹/₇
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(y-2)(y+3)-y(y-6) = y²+3y-2y-6-y²+6y = 7y-6
7*(-8/7)-6= -8-6= -14
Proszę o naj.... :)
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(y-2)(y+3)-y(y-6) dla y = -1 ¹/₇
(y-2)(y+3)-y(y-6) = y²+3y-2y-6-y²+6y = 7y-6
7*(-8/7)-6= -8-6= -14
Proszę o naj.... :)