Try another version of this question Get help: Box 1: Enter each element of the matrix as number (like 5, -3, 2.2)
G = `[(9,7),(4,8),(-7,-8),(6,0)]` B = `[(1,-10),(-9,0),(8,7),(-5,-7)]`
`3G+4B = `
`[(31,-19),(-24,24),(11,4),(-2,-28)]`