bantu jawab kak poinnya bnyk
Jawab:
Penjelasan dengan langkah-langkah:
5k/10m - 2(k+3)/ 10m
5k-2k-6/ 10m
2k-6/10m
5x² +x−20x−4
5x² −19x−4
2(-3) + 4(2) -3(-4) = 14
[tex] \frac{k}{2m} - \frac{k + 3}{5m} = \frac{5k}{10m} - \frac{2(k + 3)}{10m} \\ = \frac{5k - 2k - 6}{10m} \\ = \frac{3k - 6}{10m} \\ [/tex]
[tex](x - 4)(5x + 1) = 5x {}^{2} + x - 20x - 4 \\ = 5x {}^{2} - 19x - 4 \\ [/tex]
[tex]2a + 4b - 3c = 2( - 3) + 4(2) - 3( - 4) \\ = - 6 + 8 + 12 \\ = 14[/tex]
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