Factor completely: 2a2 − a − 10
Prime
(2a + 5)(a − 2)
(2a − 2)(a + 5)
(2a − 5)(a + 2) ...?
Prime
(2a + 5)(a − 2)
(2a − 2)(a + 5)
(2a − 5)(a + 2) ...?