Find the product (7p-8p)(7p-8p).
Answers
Answered by
2
(7p)^2-7p×8p-8p×7p+(8p)^2
49p^2-56p^2-56p^2+64p^2
49p^2-112p^2+64p^2
113p^2-112p^2
1p^2
49p^2-56p^2-56p^2+64p^2
49p^2-112p^2+64p^2
113p^2-112p^2
1p^2
Answered by
0
49p^2-56p^2-56p^2+64p^2=p^2
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