Odpowiedź:
-4(-a + 2b - 3c) = (-4) • (-a) + (-4) • 2b + (-4) • (-3c) = 4a + (-8b) + 12c = 4a - 8b + 12c
Odp. C
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Odpowiedź:
-4(-a + 2b - 3c) = (-4) • (-a) + (-4) • 2b + (-4) • (-3c) = 4a + (-8b) + 12c = 4a - 8b + 12c
Odp. C