jasminevargasolea jasminevargasolea

06-02-2019
Mathematics

contestada

use the grouping method to factor 4x^3 +20x^2-3x-15
a) (x-5)(4x^2+3)
b)(x+5)(4x^2-3)
c)2x(x+1)(2x-15)
d)(x^2-5)(4x+3)

Respuesta :

Аноним Аноним

06-02-2019

Answer:

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

Step-by-step explanation:

4x^3 + 20x^2 - 3x - 15

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

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

Answer Link

blakebelbin blakebelbin

23-04-2020

Answer:

b

Step-by-step explanation:

Answer Link

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