Odpowiedź:
Szczegółowe wyjaśnienie:
5a(8a-6b)/2 -(4a+b)(5a-2b) = 5a*2(4a-3b)/2 - (20a²-8ab+5ab-2b²) =
= 20a²-15ab - (20a²-3ab-2b²) = 20a²-15ab-20a²+3ab+2b² = 2b²-12ab =
2b(b-6a)
odp C
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Verified answer
Odpowiedź:
Szczegółowe wyjaśnienie:
5a(8a-6b)/2 -(4a+b)(5a-2b) = 5a*2(4a-3b)/2 - (20a²-8ab+5ab-2b²) =
= 20a²-15ab - (20a²-3ab-2b²) = 20a²-15ab-20a²+3ab+2b² = 2b²-12ab =
2b(b-6a)
odp C