4x2 + 19x-5Which two binomials are factors of the trinomial?
Accepted Solution
A:
Answer:(4x -1 ) ( x +5 )Step-by-step explanation:4x2 + 19x-5(4x ) ( x )We need to get -5 The factors are -1 and 5 and 1 and -54*5 = 20 so the 5 will be on the outside We do this because we have +19 on the inside(4x -1 ) ( x +5 )Lets checkFOIL4x^2 +20x -x -5 = 4x^2 +19x-5