Math, asked by akanshmani5797, 10 months ago

Which expression represents a difference of squares

Answers

Answered by rsultana331

1

Answer:

81 - 49y^2 = (9 - 7y)(9 + 7y)

FOIL the equation.

(9 - 7y)(9 + 7y)

81 + 63y - 63y - 49y^2

81 - 49y^2

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