davist5425 davist5425

25-03-2020
Mathematics

contestada

Factor 225x2 - 1. A) (15x +1)(15x + 1) B) (15x - 1)(15x + 1) C) (15x - 1)(15x - 1) D) (125x - 1)(125x + 1)

Respuesta :

miljanamilovanovic12 miljanamilovanovic12

25-03-2020

Answer:

B)

Step-by-step explanation:

225x^2 - 1=

(15x)^2 - 1^2=(*)

(15x-1)(15x+1)

A^2 - B^2 =(A-B)(A +B)............. (*)

Answer Link

RafaelSchoolPurposes RafaelSchoolPurposes

31-03-2020

Answer:B (15x-1)(15x+1)

Step-by-step explanation:

It does not matter what sign comes first

Answer Link

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