Question

level k 〉 x.5 factor quadratics with leading co you have pr
factor.
$s^{2}+4s + 3$

Explanation:

Step1: Find pair summing to 4, product 3

We need two numbers that add up to 4 and multiply to 3: 1 and 3.

Step2: Split middle term, factor by grouping

$$s^2 + s + 3s + 3$$
$$= s(s+1) + 3(s+1)$$

Step3: Factor out common binomial

$$=(s+1)(s+3)$$

Answer:

$(s+1)(s+3)$