EthanGreenePD EthanGreenePD
  • 16-11-2020
  • Mathematics
contestada

What is the factorization of the following trinomial? 15x2 - 44x - 36
(5x - 9)(3x +4)
(3x - 4) (5x + 9)
(5x -18) (3x + 2)
(5x + 18 ) (3x - 2 )

Respuesta :

2022110
2022110 2022110
  • 16-11-2020

Answer:

(5x + 18) ( 3x-2)

Step-by-step explanation:

(3x       ) ( 5x       )

then guess and check

(5x + 18) (3x-2)

i find it easier to look at the answers and redistribute them to create a trinomial especially if they give you a multiple choice

Answer Link
christina6698jdkkd christina6698jdkkd
  • 16-11-2020
Answer (5x+2)(3x-2)

Explanation
Break into groups
(15x^2+6x) + (-10x-4)
Factor
3x(5x+2)-2(5x+2)
Factor out common term(5x+2)
=(5x+2)(3x-2)
Answer Link

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