If $2x^2+4x-5=x^2+2x+x^2+5,$ then $x^2=$

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Vincen: Legendary Member; Posts: 2898; Joined: Thu Sep 07, 2017 2:49 pmFollowed by: 5 members; Thanked: 6 times

by Vincen » Wed Nov 18, 2020 10:27 am

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If $2x^2+4x-5=x^2+2x+x^2+5,$ then $x^2=$

A. 0
B. 4
C. 10
D. 25
E. 100

Answer: D

Source: GMAT Paper Tests

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Source: Beat The GMAT — Problem Solving | Wed Nov 18, 2020 10:27 am

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