Question

simply ( x + y ) ( y- z ) + ( y+ z ) ( z - x ) + ( x + z ) ( x - y )


plz find the answers it's very urgent ​

Answer 1

Question:-

Simply:-

( x + y ) ( y- z ) + ( y+ z ) ( z - x ) + ( x + z ) ( x - y )

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Solution:- ⠀⠀⠀⠀⠀⠀

➲ $\red \star \: \: \: \red { \underline{\boxed{\sf{( x + y ) ( y- z )+ ( y+ z ) ( z - x ) + ( x + z ) ( x - y ) }}}} \: \: \red \star$

➲ $\red \star \: \: \: \red { \underline{\boxed{\sf{ x + y + y- z + y+ z + z - x + x + z + x - y }}}} \: \: \red \star \:$

➲ $\red \star \: \: \: \red { \underline{\boxed{\sf{ 2x + 2y + 2z}}}} \: \: \red \star \: \underline\textbf{Ans.}$

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Remember:-

☘ You can add only like terms, i.e. 3x + 2x - 4y = 5x - 4y.

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☘ The formula: Plus , Minus , Do Minus, Sign Greater Number

↪ 2x - 4x = 2x

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☘ Minus, Minis, Work plus, Sign Minis.

↪ - 45 - 40 = -85

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☘ Plus, Plus, Work Plus, Sign Plus.

↪ 3 + 4 = 7

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