Simplify (x^2-7x+6)+(x^2+6x)

$(x^{2} - 7 x + 6) + (x^{2} + 6 x)$

Step 1

Remove parentheses.

$x^{2} - 7 x + 6 + x^{2} + 6 x$

Step 2

Add $x^{2}$ and $x^{2}$ .

$2 x^{2} - 7 x + 6 + 6 x$

Step 3

Add $- 7 x$ and $6 x$ .

$2 x^{2} - x + 6$