Naterx7
Find the product of (3x − 7y)2.



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bunyonb
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isnt that the same as 2(3x7y) ?

Naterx7
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yes it is

bunyonb
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so 2(3x7y)= 6x 14y

neba.zi
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\[(3x7y)2=6x14y\]

Naterx7
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i thought it was 9x^2 42xy+49y^2?

bunyonb
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no

Naterx7
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opps...