jcui1738 jcui1738
  • 12-05-2019
  • Mathematics
contestada

Simplify by using factoring: (2a+6b)(6b−2a)−(2a+6b)^2

Respuesta :

Avecado
Avecado Avecado
  • 12-05-2019

Answer:

-8a(a+3b)

Step-by-step explanation:

(2a+6b)(6b−2a)−(2a+6b)^2

(2a+6b) {(6b−2a)−(2a+6b)(2a+6b)}

2(a+3b) (6b-2a-2a-6b)

2(a+3b) (-4a)

-2(a+3b) x 4a

-2 x 4a (a+3b)

-8a(a+3b)

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