what should be added to the sum of 9x²y + 3x² - 4y² and -11x²y - 4x² + 3y² to get 0 ?
Answers
Answered by
0
Answer:
Step-by-step explanati
(i) 3x + 7x = (3 + 7)x = 10x
(ii) -5xy + 9xy = ( -5 + 9)xy = 4xy
Similar questions