The matrix is.
Apply scalar multiplication operation.
(Multiplying each element of the matrix by the scalar, negative 3)
The product of two different signs is negative and the products of two same signs is positive.
The value of is .
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(Multiplying each element of the matrix by the scalar, negative 3) ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=899b988e7dda82a690aeb4575a7e0dac.png\")
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is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8e3f2dd9ba0cf7bda3c97352bfa07426.png\")
.