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vodomira [7]
4 years ago
11

Multiply———(5d-4y)^2

Mathematics
2 answers:
Nadusha1986 [10]4 years ago
5 0

Answer:

25d^2-40dy+16y^2


Step-by-step explanation:


MrRissso [65]4 years ago
5 0

(5d-4y)^2

many make tehmistake and do this:

25d^2 - 16y^2

THIS IS WRONG

you must FOIL

(5d-4y)(5d-4y)

25d^2    - 20dy  - 20dy  + 16 y^2

25d^2    - 40dy  + 16 y^2

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