samagya
samagya samagya
  • 12-09-2020
  • Mathematics
contestada

1. x² - 1 + y(y - 2x)​





somebody plz help meeeeeeeeeeeeeeeeeeeeeee

Respuesta :

vicklien
vicklien vicklien
  • 12-09-2020


Step1:Multiply each term in the parentheses by y.


Step2: calculate the product
Ver imagen vicklien
Answer Link
Аноним Аноним
  • 12-09-2020

Answer:

[tex] {(x + y)}^{2} - 1[/tex]

Step-by-step explanation:

[tex] {x}^{2} + y(y - 2x) - 1[/tex]

[tex] {x}^{2} + {y}^{2} - 2xy - 1[/tex]

Using the identity (a - b)^2 here ,

[tex] {(x + y)}^{2} - 1[/tex]

Answer Link

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