kumarmaanvi81
kumarmaanvi81 kumarmaanvi81
  • 16-05-2020
  • Mathematics
contestada

factorise 2d^2-98 completely​

Respuesta :

hfranc hfranc
  • 16-05-2020

Answer:

Hello,

2 (d + 7) (d - 7)

Step-by-step explanation:

2 d² - 98 = 2 (d² - 49) = 2 (d² - 7²)

a² - b² = (a + b) (a - b)

2 (d² - 7²) = 2 (d + 7) (d - 7)

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avalangdon101
avalangdon101 avalangdon101
  • 16-05-2020

2(d^2-49)


2(d-7) x (d+7)


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