michaeldildine27 michaeldildine27

02-03-2021
Mathematics

contestada

Factor 10x2 – 42x – 108.
Question 20 options:

A)

(5x + 9)(x + 6)

B)

2(5x + 9)(x – 6)

C)

(x + 9)(5x – 6)

D)

2(10x – 9)(x + 6)

Respuesta :

emirhansoy emirhansoy

02-03-2021

Answer:

B

Step-by-step explanation:

You have to know how to factor polynomials.

2(5x^2-21x-54)

2(5x^2-30x+9x-54)

2(5x(x-6)+9(x-6))

2(5x+9)(x-6)

Answer Link

chandracoley0174 chandracoley0174

02-03-2021

It’s gone be B.(5x +9

Answer Link

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