Question 335526
First way : {{{x}}}--> {{{x^2}}}--> {{{2x^2}}}
Second way:{{{2x}}}--> {{{4x^2}}}
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{{{4x^2=2*(2x^2)}}}, so {{{4x^2}}} is always greater than {{{2x^2}}}. 
So {{{2x^2}}} is never greater than {{{4x^2}}}.