Algebraic Equivalence

Define variable $y=(x+3{)}^2(x-3{)}^2+9(2x^2-9)$ and see if it can be reduced to a simpler expression using the expand or simplify function. Then, use the logical function to show that $y=x^4.$

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MATLAB DocumentationPrevious Assessment: $2$ of $3$ Tests Passed $(67\%)(2)$ check equality$34\%$quad$(34\%)$function check$33\%(33\%)$check results$0\%(33\%)$

The value for $y$ is not equivalent to $x^4.$

Total: $67\%$