Question

(5-x)²

(y-3)²



(x-y)²


(x-7)²


(2x-5)​

Answer 1

(5-x)² = 25 -10x +x²

(y-3)² = y² -6y +9

(x-y)² = x² -2xy +y²

(x-7)² = x² -14x +49

(2x-5)² = 4x² -20x +25