Question

Which of the following shows how the number 7 can be rewritten with the difference of squares identity?
(16 - 9) = (4 + 3)(4 - 3)
(18 - 11) = (9 + 6)(9 - 5)
(25 - 4) = (5 + 2)(5 - 2)
(16 - 9) = -1(4 + 3)(4 - 3)
(64 - 1) = (8 + 1)(8 - 1)

Answer 1

1 st is correct to your question

Answer 2

hey friend,
here is your answer
__________________.
( 16-9 )=(4+3)(4-3)
7= 4(4-3)+3(4-3)
7=16-12+12-9. [-12 and+12 are cancelled]
7=16-9
7=7

hope it helps ❗❗
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