Question

1. x² - 1 + y(y - 2x)​somebody plz help meeeeeeeeeeeeeeeeeeeeeee

Answer 1

Step1:Multiply each term in the parentheses by y.


Step2: calculate the product

Answer 2

Answer:

${(x + y)}^{2} - 1$

Step-by-step explanation:

${x}^{2} + y(y - 2x) - 1$

${x}^{2} + {y}^{2} - 2xy - 1$

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

${(x + y)}^{2} - 1$