(8-y)(y+3) adalah Pakai cara.....

(8-y)(y+3)
= 8y + 24 - y² - 3y
= -y² + 8y - 3y + 24
= -y² + 5y + 24

(8-y)(y+3)
=(8×y)+(8×3) + (-y×y)+(-y×3)
=8y+24-y^2-3y
=-y^2+(8y-3y)+24
=-y^2+5y+24