tolong kakak plisss dehhh dua aja lagi kok pliisss
Jawaban dan penjelasan:
1. 6(5x + 2y) - 4(3x + y)
= 30x + 12y - 12x - 4y
= 30x - 12x + 12y - 4y
= 18x + 8y (A)
2. (2x + 3) (4 - 5x)
= 8x - 10x² + 12 - 15x
= - 10x² - 15x + 8x + 12
= - 10x² - 7x + 12 (A)
[answer.2.content]
