Question

(x2 + 3x + 1) + (2x2 + 2x) HINT

Answer 1

Answer:

$3x^{2} + 5x + 1$

Step-by-step explanation:

Step 1:  Combine like terms

$(x^{2} + 3x + 1) + (2x^{2} + 2x)$

$(x^{2} + 2x^{2} + (3x + 2x) + (1)$

$3x^{2} + 5x + 1$

Answer:  $3x^{2} + 5x + 1$

Answer 2

Answer:

3x^2+5x+1

Step-by-step explanation:

(x^2 + 3x + 1) + (2x^2 + 2x)

Combine like terms

x^2 + 2x^2  + 3x +2x   +1

3x^2+5x+1