PUsong ihk...apa sih jwb nya4/x+2 + 5/x+3...

4/x+2 + 5/x+3
4/x+5/x+2+3
9/x+5

[tex] \frac{4}{x+2} + \frac{5}{x+3} = \frac{4(x+3) + 5(x+2)}{(x+2)(x+3)} = \frac{4x+12+5x+10}{ x^{2} +5x+6} = \frac{9x + 22}{ x^{2} +5x+6} [/tex]