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Verified answer
Yang nomor 1(5 - 6x + 11y) + (5x - 7y + 16)
5 - 6x + 11y + 5x - 7y + 16
(- 6x + 5x) + (11y - 7y) + (5 + 16)
- x + 4y + 21
Yang nomor 2
(3x - 4)(2x + 6)
3x(2x) + 3x(6) - 4(2x) - 4(6)
6x² + 18x - 8x - 24
6x² + 10x - 24
Verified answer
1. (5-6x+11y)+(5x-7y+16)= -6x+5x +11y-7y +5+16= -x+4y+21
2. (3x-4)(2x+6)=6x²+18x-8x-24
=6x²+10x-24