tolong dibantu besok mau di kumpul kan

Pemfaktoran :

1. x² + 5x + 4
    = (x² + x) + (4x + 4)
    = x(x + 1) + 4(x + 1)
    = (x + 1) (x + 4)

2. x² - 3x - 10
    = (x² + 2x) + (-5x - 10)
    = x(x + 2) - 5(x + 2)
    = (x + 2) (x - 5)