3 years ago

51pts! which expression represents a difference of squares?

Mathematics

2 answers:

m_a_m_a [10]3 years ago

7 0

Answer:

Step-by-step explanation:

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

FOIL the equation.

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

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

81 - 49y^2

maw [93]3 years ago

7 0

Answer:Help me too!

Step-by-step explanation:

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