Try another version of this question Get help: Box 1: Enter each element of the matrix as number (like 5, -3, 2.2)
C = `[(-8,-6,10,-9,3),(0,5,1,-6,7),(2,-5,-1,-4,5),(3,-5,8,-10,9),(-10,4,2,6,0)]` F = `[(2,10,-7,5,0),(-6,-7,-8,4,-10),(9,1,6,-3,-1),(3,5,4,-1,7),(-4,7,-2,-5,9)]`
`4C+2F = `
`[(-28,-4,26,-26,12),(-12,6,-12,-16,8),(26,-18,8,-22,18),(18,-10,40,-42,50),(-48,30,4,14,18)]`