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b.2x-5
c.x kuadrat +6x+8
d.3x kuadrat - 10x+15
2.no 2 angkanya gak pas mnurut ku
1. a. (x2 + 5x + 6) - (x +2)
: x2 + 5x - x + 6 + 2 : x2 + 4x + 8
b. (2x2 - x - 10) - (x + 2)
2x2 - x - x -10+2 : 2x2 - 2x - 8
c. (2x3 + 7x2 -14x - 40) - (2x - 5)
2x3 + 7x2 -14x -2x -40 - 5 : 2x3 + 7x2 -16x -45
d. (3x3 - 4x2 - 5x + 6) - ( x+2)
3x3 - 4x2 -5x -x +6 +2 : 3x3 - 4x2 -6x + 8
kurang lbhx maaf ya kalo salah.. itu mksdx pangkatbya bkn prkalian.. d chek lg