anajahdollsp3u8om anajahdollsp3u8om

21-09-2019
Mathematics

contestada

Use the grouping method to factor 4x3 + 20x2 – 3x - 15.
A. (x+ 5)(4x2 – 3)
B. 2x(x + 1)(2x - 15) C. (x - 5)(4x2 + 3)
D. (x2 - 5)(4x+3)

Respuesta :

Аноним Аноним

21-09-2019

Answer:

A. (x + 5)(4x^2 - 3).

Step-by-step explanation:

4x^3 + 20x^2 – 3x - 15.

= 4x^2( x + 5) - 3(x + 5)

= (4x^2 - 3)(x + 5).

Answer Link

br9517259 br9517259

13-01-2020

Answer: A.

Step-by-step explanation:

Answer Link

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