Question

2x²+3x-9
---------------
x²-9
tolong jawab ya secepatnya,itu dibagi

Answer 1

2x² + 3x - 9 = (2x - 3)(x + 3)
x² - 9 = (x - 3)(x + 3)
∴ (2x - 3)(x + 3)/(x - 3)(x + 3) = 2x - 3/x - 3
ket : (x + 3) dibagi (x + 3) hasilnya satu, maka (2x - 3)×1/(x - 3)× = 2x - 3/x - 3
( 2x - 3 per x - 3 )