Question

How do you simplify `5 x + 3 − x + 2 x ^2 + 4 x + 3`?

Answer 1

We can simplify it by summing the similar parts of the polynomials

Explanation:

So we have that

`5x+3-x+2x^2+4x+3=(5x-x+4x)+2x^2+(3+3)=2x^2+8x+6`

We can factor `2x^2+8x+6` as follows

`2x^2+8x+6=2(x+1)(x+3)`