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Factor the polynomial by grouping, if possible.
2xy – 9cx – 18cy + 81c2

A. c(2y – 9c)(x – 9)
B. (2y – 9c)(x – 9c)
C. It can't be factored.
D. (2c – 9y)(x – 9y)

Respuesta :

sid071

Hey there!!

We group terms which contain the same variable.

Given :-

... 2xy - 9cx - 18cy + 81c²

After grouping :-

... 2xy - 18cy - 9cx + 81c²

Picking the common terms :-

... 2y ( x - 9c ) - 9c ( x - 9c )

... ( 2y - 9c ) ( x - 9c )

Hence, the answer is option ( B )

Hope it helps!

Lali22

Answer:

B. (2y-9c)(x-9c)





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