tolong bantu kak no 1-4 yang dilingkari
makasii
makasii
Jawaban:
No 1C.
[tex](6p - 7) + ( - 5p - 9) \\ 6p - 7 - 5p - 9 \\ p - 16[/tex]
No. 2B
[tex]3 {x}^{2} + 3x - 7 + ( - 7 {x}^{2} - 10 x - 6) \\ 3 {x}^{2} + 3x - 7 - 7 {x}^{2} - 10x - 6 \\ - 4 {x}^{2} - 7x - 13[/tex]
No. 3C
[tex]( - 5 {b}^{2} - 8b + 10) + ( - 7 {b}^{2} + 9b - 13) \\ - 5 {b}^{2} - 8b + 10 - 7 {b}^{2} + 9b - 13) \\ - 12 {b}^{2} + b -3[/tex]
No. 4D
[tex] - 3(7 {b}^{2} + 8b - 2) \\ - 21 {b}^{2} - 24b + 6[/tex]
SEMOGA MEMBANTU
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