Pre-calculus help check my answer please?

Rick

New member
Having trouble with this question. I think I did it right but if not can someone please show me how to do it? Full points. Thank you.

2e^x * x^2 - 1e^x = e^x
e^x(2x^2-1x)=e^x
let e^x=u
u(2x^2-1x)=u
2x^2-1=0
x=0 and x=1/2
 
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