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Matrices

Question
CBSEENMA12034222

Solve open parentheses 2 space space 3 close parentheses space space space space open parentheses table row 1 2 row cell negative 3 end cell 0 end table close parentheses open parentheses table row straight x row 3 end table close parentheses equals 0

Solution
The space given space equation space is
open parentheses 2 space space 3 close parentheses space space space space open parentheses table row 1 2 row cell negative 3 end cell 0 end table close parentheses open parentheses table row straight x row 3 end table close parentheses equals 0
or space space space space space space space space open parentheses 2 space space 3 close parentheses open parentheses table row cell straight x plus 6 end cell row cell negative 3 straight x plus 0 end cell end table close parentheses equals 0
or space space space space space space space space left parenthesis 2 straight x plus 12 minus 9 straight x right parenthesis equals left parenthesis 0 right parenthesis
space space space space space space space space space space space space space space 2 straight x plus 12 minus 9 straight x equals straight o space space space rightwards double arrow space 7 straight x equals negative 12
space space space space space space space space space space space space space space space space space straight x equals 12 over 7