Answer:
(5x + 3) (x + 1)
Step-by-step explanation:
5x² + 8x + 3
Factor using AC method.
5 × 3 = 15
Factors of 15 that add up to 8 are 3 and 5
Divide by 5 and reduce: 3/5, 5/5 = 1/1
Factors are 5x + 3 and x + 1