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:



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