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How do you add $(x^3+8x^2+19x+12)+(x^2+4x+3)$ ?

1 Answer

May 24, 2018

$x^3+9x^2+23x+15$

Explanation:

we can add $8x^2+x^2=9x^2$
$19x+4x=23x$
$12+3=15$

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