allieicecream5 allieicecream5
  • 13-03-2020
  • Mathematics
contestada

Expand the polynomial: (−a+b)(b–a)

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igoroleshko156
igoroleshko156 igoroleshko156
  • 13-03-2020

Answer:

a^2 - 2ab + b^2

Step-by-step explanation:

Step 1:  Foil

(-a + b)(b - a)

(-a * b) + (-a * -a) + (b * b) + (b * -a)

-ab + a^2 + b^2 - ab

a^2 - 2ab + b^2

Answer:  a^2 - 2ab + b^2

Answer Link
amna04352
amna04352 amna04352
  • 13-03-2020

Answer:

a² - 2ab + b²

Step-by-step explanation:

(-a+b)(b-a)

(b-a)(b-a)

(b-a)²

b² - 2ab + a²

Or

a² - 2ab + b²

Answer Link

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