Which could be a binomial expansion of (4x + y)?

1 answer:

3 0

Answer:

It's D

Step-by-step explanation:

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Sloan [31]

X - 6y=18
2x-3y=9 |*-2

x -6y=18
-4x+6y=-18
----------------
-3x=0, x=0

2x-3y=9
2*0-3y=9
-3y=9, y=-9/3, y= -3

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