Odpowiedź:
a) (3-2x)(3x+5) = 9x +15 -6-10x = -x + 15 - 6
b) (2a - b)(b-3a) = 2ab - 6 - +3ab = 5ab - 6 -
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Odpowiedź:
a) (3-2x)(3x+5) = 9x +15 -6-10x = -x + 15 - 6
b) (2a - b)(b-3a) = 2ab - 6 - +3ab = 5ab - 6 -