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

asked Dec 12, 2021 16.9k views

4 votes

1. x² - 1 + y(y - 2x)

somebody plz help meeeeeeeeeeeeeeeeeeeeeee

by Toine

4.2k points

Please log in or register to add a comment.

6 votes

Step1:Multiply each term in the parentheses by y.

Step2: calculate the product

Jette answered Dec 13, 2021

by Jette

4.1k points

1 vote

Answer:

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

Explanation:

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

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

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

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

4.0k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.6m questions

6.0m answers