emoryward emoryward

13-06-2016
Mathematics

Answered

Find the product.

(7q - 5)(7q + 5)

Verified Answer :

Anonymous Anonymous

13-06-2016

(7q−5)(7q+5)
=(7q+−5)(7q+5)
=(7q)(7q)+(7q)(5)+(−5)(7q)+(−5)(5)
=49q2+35q−35q−25
=49q2−25

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