Multiply `-(8)/(21)x^(2)y^(3)` by `-(7)/(16)xy^(2)` and verify your result for `x=3` and `y=2`

Multiply -(4)/(3)x^(3) by (6)/(7)x^(2)y and verify your result for x=2 and y=1

Multiply (-4)/(3)xy^(3) by (6)/(7)x^(2)y and verify your result for x = 2 and y = 1

Multiply -(2)/(3)a^(2)b by (6)/(5)a^(3)b^(2) and verify your result for a = 2 and b = 3

Multiply -(3)/(2)x^(2)y^(2) by (2x-y) and verify the answer for x=1 and y=2

Multiply (2x^(2)-4x+6y) by 3xy

Find the product of (y+(2)/(7)y^(2)) and (7y-y^(2)) and verify the result for y=3

Multiply the - 3x ^(2) y , ( 5y - xy)

Find the product of -5x^(2)y,-(2)/(3)xy^(2)z,(8)/(15)xyz^(2)and-(1)/(4)z .Verify the result when x=1,y=2 and z=3 .

3-2x^(2)+4x^(2)y+8y-(5)/(3)xy^(2) is a polynomial in two variables x and y.