Final answer to the problem
$x^2+x+6$
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Step-by-step Solution
Specify the solving method
1
Add the values $1$ and $5$
$x^2-3x+6+4x$
2
Combining like terms $-3x$ and $4x$
$x^2+x+6$
Final answer to the problem
$x^2+x+6$