hernandezaracel hernandezaracel

23-01-2018
Mathematics

contestada

factor binomial -16r^2+1

Respuesta :

choixongdong choixongdong

23-01-2018

-16r^2+1
= 1 - 16r^2
=(1 +4r)(1 - 4r)

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altavistard altavistard

23-01-2018

I'd suggest you write -16r^2+1 in the equivalent form 1-16r^2. This makes clearer the fact that -16r^2+1 is the difference of 2 squares.

a^2 - b^2 = (a-b)(a+b)

so 1-16r^2 = (1-4r)(1+4r) (answer)

Answer Link

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