Step-by-step explanation:
5h2-14h-3
sum product pattern
5h2-14h - 3
5h2- h-15h -3
common factor from 2 pairs
5ℎ2+ℎ−15ℎ−3
ℎ(5ℎ+1)−3(5ℎ+1)
factored from
h(5h+1) -3(5h+1)
(h-3) (5h+1)
solution
(h-3).(5h+1)