malya1220 malya1220

18-09-2020
Mathematics

contestada

Which of the binomials below is a factor of this trinomial?
x2 + 13x + 40
A. x+ 5
B. X+4.
C. X-5
D. X-4

Respuesta :

salahangrai salahangrai

18-09-2020

Answer:

x+5 is the factor..

Step-by-step explanation:

xsquare + (8+5)x + 40

or, xsquare +8x+5x+40

or, x(x+8)+5(x+8)

(x+5)(x+8)

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