Faktor dari:1. 4x²-11+6. 2. 4y²-20y+25.

4x + 16 -11
25y + 20y-4

1. 4x²-11x+6 = 4x² -8x -3x +6
= (4x²-8x)(-3x+6)
= 4x(x-2)-3(x-2)
=(4x-3)(x-2)

2. 4y²-20y+25 = 4y² -10y -10y +25
= (4y²-10y)(-10y+25)
=2y(2y-5)-5(2y-5)
=(2y-5)(2y-5) =(2y-5)²

Semoga membantu, kalau bener jadikan terbaik ya. Makasih