Question

Hasil dari pengurangan pada aljabar mohon di bantu x/x^2-9 - 4/x+3

Answer 1

X/(x²-9)  - 4/(x+3) =
= x(x+3)(x-3)  - 4/(x+3)
= {x - 4(x-3)} / (x+3)(x-3)
= (x- 4x + 12) / (x+3)(x-3)
= (-3x+12) / (x+3)(x-3)
= (12 - 3x)/(x²-9)