Question

3x² - 27
_______ =

x² + 2x - 3

tolong sederhanakanlah bentuk al jabar

x² - 5x - 6
________
x + 1

Answer 1

A.3(x pangkat2 - 9)
___________________
(x+3)(x-1)
= 3(x pangkat2 - 3pangkat2)
____________________________
(x+3)(x-1)
= 3(x-3)(x+3)
____________
(x+3)(x-1)
= 3(×-3)
_______
x-1
b. (x-6)(x+1)
___________
(x+1)
= x-6