CamofFT CamofFT
  • 21-04-2019
  • Mathematics
contestada

Multiply: (5x-4w)(x-7w)​

Respuesta :

angela48430
angela48430 angela48430
  • 21-04-2019

Answer:

(5x^2) + (-35xw) + (-4wx) + (28w^2)

Step-by-step explanation:

(5x times x) + (5x times -7w) + (-4w times x) + (-4w times - 7w)

(5x^2) + (-35xw) + (-4wx) + (28w^2)

Answer Link
altavistard
altavistard altavistard
  • 21-04-2019

Answer:

5x² - 39wx + 28w²

Step-by-step explanation:

Use the so-called "foil" method:  multiply the first terms, the outer terms, the inner terms and the last terms:

5x² - 35wx - 4wx + 28w²

Combining the two middle terms, we get   5x² - 39wx + 28w²

Answer Link

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