contestada

Factor the trinomial below.

8x2 - 10x - 25

Which of the following binomials is a factor of the trinomial?

A. 8x + 5
B. 8x - 5
C. 2x - 5
D. 2x + 5

Respuesta :

lets factor  8x^2 - 10x - 25 

= 8x^2 -20x + 10x - 25
= 4x(2x - 5) + 5(2x - 5)     2x-5  is common to both parts so factors are:-
= (4x + 5)(2x - 5)

So its C

Otras preguntas