Multiply each row in the first matrix by each column in the second matrix .

Simplify each element of the matrix by multiplying out all the expressions.

Multiply each row in the first matrix by each column in the second matrix .

Simplify each element of the matrix by multiplying out all the expressions.

is in the most simplified form.

Simplify [[1/2,0,1/2]]*[[9,1],[-9,3],[-1,2]]*[[3/5],[2/5]]