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ICSE Class 8 Answered

25(x+y)^2-16(x-y)^2  
Asked by hatruckcom | 05 Jan, 2019, 07:11: PM
answered-by-expert Expert Answer
begin mathsize 16px style 25 open parentheses x plus y close parentheses squared space minus space 16 open parentheses x minus y close parentheses squared space equals space open parentheses 5 x plus 5 y close parentheses squared space minus space open parentheses 4 x minus 4 y close parentheses squared equals space open parentheses 5 x plus 5 y plus 4 x minus 4 y close parentheses open parentheses 5 x plus 5 y minus 4 x plus 4 y close parentheses equals open parentheses 9 x plus y close parentheses open parentheses x plus 9 y close parentheses end style
Answered by Thiyagarajan K | 06 Jan, 2019, 01:18: PM

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