Evaluate (5x^2+8x)+(x^2-5x+1)

$(5 x^{2} + 8 x) + (x^{2} - 5 x + 1)$

Step 1

Remove parentheses.

$5 x^{2} + 8 x + x^{2} - 5 x + 1$

Step 2

Add $5 x^{2}$ and $x^{2}$ .

$6 x^{2} + 8 x - 5 x + 1$

Step 3

Subtract $5 x$ from $8 x$ .

$6 x^{2} + 3 x + 1$