Math, asked by samyakparakh66, 4 months ago

if x+1/x=5 evaluate (7xy-2)(7xy+7)

Answers

Answered by royarpita639

1

Step-by-step explanation:

hope this helps you....

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Answered by dilnozayoldosheva27

1

Answer:

49x^2y^2+49xy-14xy-14=49x^2y^2+35xy-14

Step-by-step explanation:

formula: (a-b)(a+c)=a^2+ac-ab-bc

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