Answer
$7x^2$-1x-7
Work Step by Step
($x^2$-3x+1) +2($3x^2$+x-4)
1.Distribute the 2 to all the terms in the second parentheses set
$x^2$-3x+1 +$6x^2$+2x-8
2. Combine like terms
$7x^2$-1x-7
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