Try another version of this question Get help: Box 1: Enter each element of the matrix as number (like 5, -3, 2.2)
C = `[(-2,6,-9,1),(-10,3,-7,0),(-6,9,4,-8),(-4,8,-1,-5),(5,-3,7,10)]` B = `[(8,-10,0,-2),(-3,-8,-7,10),(-6,5,3,-1),(4,2,-4,1),(7,-5,-9,6)]`
`4C+3B = `
`[(16,-6,-36,-2),(-49,-12,-49,30),(-42,51,25,-35),(-4,38,-16,-17),(41,-27,1,58)]`