arriolabelda arriolabelda 20-09-2022 History contestada Write T if the statement is true or F if it is false. Justify your answer if it is false. one. The expression (x + a)(x - a) = x2 - a? represents a sum of squares. Justification: B. The result of the remarkable product expansion (xy + 3)(xy - 3) is xy - 9. Justification: ç. The expression 36 - y7s? is equal to (6 + ysX6 - ys). Justification: . d. The area of a rectangle whose dimensions are (x? - 1) cm and (x? + 1) cm is (X* - 1) cm?. Justification: