randRange(-2, 4, ROWS, COLS) randFromArray([-1, 1]) * (rand(4) === 0 ? randRange(1, 3) / 4 : randRange(2, 5)) decimalFraction(SCALAR, true) "\\times" deepZipWith(2, function(a) { return a * SCALAR; }, MAT_A) matrixPad(SOLN_MAT, 3, 3) BLUE GREEN PINK printSimpleMatrix(MAT_A, MAT_A_COLOR) printMatrix(function(a) { var s = colorMarkup(SCALAR_TEXT, SCALAR_COLOR); var b = colorMarkup(a, MAT_A_COLOR); return s + OPERATION + b; }, MAT_A) printFractionMatrix(SOLN_MAT, SOLN_MAT_COLOR)
`\Large{ \color{SCALAR_COLOR}{SCALAR_TEXT} OPERATION PRETTY_MAT_A = {?} }`

To multiply a matrix by a number, multiply each item of the matrix by the number.

`\Large{PRETTY_HINT_MAT}`

Now, simplify:

`\Large{PRETTY_SOLN_MAT}`
elem elem
2 2
2 3
3 1
3 2