Faktorkan : 1. 2x^2+3x-20 2. 4x^2+11x-3 3. 16x^2-25 4. X^2-4y^2

1) 2x^2 + 3x - 20
(2x^2+8×) (- 5× - 20)
2× (×+4) - 5 (×+4)
= (2×-5) (×+4)

2) 4×^2 + 11× - 3
(4×^2 + 12×)(-×-3)
4× (×+3)-1 (×+3)
= (4×-1) ( ×+3)

maaf cmn bisa ngerjain yg no 1 dan 2...maaf klo salah