Faktorkanlah ! 1) x^2 + 5x + 6 2) x^2 - 3x - 10 3) x^2 - 8x + 15 4) x^2 + 4x - 12 5) x^2 - 8x - 20

1.(x+3)(x+2)
2.(x-5)(x+2)
3.(x-3)(x-5)
4.(x+6)(x-2)
5.(x-10)(x+2)

[tex]Penyelesaian : 1) x^{2} + 5x + 6 = ( x + 2 ) ( x + 3 ) 2) x^{2} - 3x - 10 = ( x - 2 ) ( x - 5 ) 3) x^{2} - 8x + 15 = ( x - 3 ) ( x - 5 ) 4) x^{2} + 4x - 12 = ( x - 2 ) ( x + 6 ) 5) x^{2} - 8x - 20 = ( x + 2 ) ( x - 10 )[/tex]