Sarthaks Test
0 votes
981 views
in Mathematics by (15.0k points)

Add: 

2x (z − x − y) and 2y (z − y − x)

1 Answer

0 votes
by (24.8k points)
selected by
 
Best answer

First expression = 2x (z − x − y) = 2xz − 2x2 − 2xy Second expression = 2y (z − y − x) = 2yz − 2y2 − 2yx Adding the two expressions, we obtain

Therefore, the sum of the given expressions is − 2x2 − 2y2 − 4xy + 2yz + 2zx.

Related questions

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...