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23-04-2018
Mathematics

contestada

Identify the polynomial that is the difference of two squares.
25m2 − 16n
36m2 − 8n8
49m2 − 81n4
9m2 − 5n6

Respuesta :

calculista calculista

03-05-2018

we know that

The difference of two squares is a squared number subtracted from another squared number. Every difference of squares may be factored according to the identity

(A²-B²)=(A+B)*(A-B)
so

the answer is
49m2 − 81n4

49m2 − 81n4=(7m+9n²)*(7m-9n²)

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