Answer:sagot nyan 5(x² - 3) = 5x² - 15Step-by-step explanation:ung given;5x² - 10 + 25I ninus mo ung 25 sa 10 " 25 - 10 = 15 "magiging 5x² + 15then divide 15 ÷ 5 = 3umay ung foil method yan.. I multiply binomials nlng yan di ko alm pano ung check dto(x +√3) (x -√3)(x + √3)(x - √3) = x² - (√3)² = x² - 3sagot; 5(x² - 3) = 5x² - 15