Final Answer
$x^2$
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Step-by-step Solution
Specify the solving method
1
Combining like terms $3x$ and $5x$
$x^2,\:8x+46y=0$
2
Calculate the numerical value for $x^2$ when $8x+46y=0$. Replace the unknowns with their corresponding values
$x^2$
Final Answer
$x^2$