ANSWER ALL 7, 8 show work!

Algebra
Tutor: None Selected Time limit: 1 Day

Mar 9th, 2015

7 : -

There should be a plus sign in any bracket to make the formula form (a + b)(a - b) = a^2 - b^2

So the answer should be (3d - 7)(3d + 7)

8 : -

(x - 12)(x - 12)


Mar 10th, 2015

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