If (a + b) 2 – 2(a + b) = 80 and ab = 16, then what can be the value of 3a – 19b – OfficerPath

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If (a + b) 2 - 2(a + b) = 80 and ab = 16, then what can be the value of 3a - 19b?

Subject: MathematicsTopic: Algebra

A

-16

B

-14

C

-18

D

-20

Correct Answer: B

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