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Multiply———(5d-4y)^2

User WombatPM
by
5.2k points

2 Answers

3 votes

(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

User Lakshay Sharma
by
5.6k points
4 votes

Answer:

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


Explanation:


User Terradon
by
6.5k points