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21-05-2017
Mathematics

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Perform the indicated operation.

( x3 + 43 - 49 x - 7 x2 ) ÷ ( x2 - 49)

a) x - 7 R -300
b) x + 7 R -300
c) x - 7 R 300

Respuesta :

21-05-2017

A

(X^2-49)((X-7)
X^2(X)= x^3
X^2(-7)= -7x^2
-49(x)= -49x
-49(-7)= 343

X^3-7x^2-49x+343-300
X^3--7x^2-49x+43 checks with question

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