Perkalian Aljabar

1. 3*x =3x
2. 2x*3y =6xy
3. 3xy*2xy  =6xy^2


Soal:
1. 3(x+y)
2. 4(c+d)+3(3c+2d)
3. (6w-v) (4w+3)

Jawab:
1.(3*x)+(3*y) = 3x+3y
2.(4*c)+(4*d)+(3*3c)+(3*2d) = 4c+4d+9c+6d = 13c+10d
3.(6w*4w)+(6w*3)+(-v*4w)+(-v*3) = 24w^2+18w-4vw-v3