sederhanakanlah bentuk aljabar berikut b. 5y + 4x (4y - x) - 5y (1 -x) + 2x

5y + 4x(4y - x) - 5y(1 - x) + 2x
= 5y + 16xy - 4x² - 5y + 5xy + 2x
= 5y - 5y + 16xy + 5xy - 4x² +2x
= 21xy - 4x² + 2x

5y+4x(4y-x)-5y(1-x)+2x
=5y + 16xy- 4x^2 -5y + 5xy + 2x
=5y - 5y + 16 xy +5 xy-4x^2 +2x
=21xy -4x^2 + 2x
semoga membantu ya