Question

Find the product.
(7q - 5)(7q + 5)

49q 2 + 10q - 25
49q 2 - 25
49q 2 - 10q - 25
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Answer 1

It is in the form of (a-b)(a+b) so a²-b²

(7q)²-5²

49q²-25

So option 2 is correct

Answer 2

Answer:

49q²-25

Step-by-step explanation:

it is in the form of (a+b)(a-b)=a²-b²

(7q-5)(7q+5) = (7q)²-(5)²

=49q²-25