Verified answer

you use FOIL

3x times 2x is 6x(squared)

3x times -9y is -27xy

-y times 2x is -2xy

and -y times -9y is 9y(squared)

ending answer: 6x(squared) -29xy + 9y(squared)

You "distribute" the terms of one factor into the other factor

(3x - y)(2x - 9y) =

3x(2x - 9y) - y(2x - 9y) =

3x(2x) + 3x(-9y) - y(2x) - y(-9y) =

6x^2 - 27xy - 2xy + 9y^2 =

6x^2 - 29xy + 9y^2

easy

1) (3x•2x) --> 6x squared

2) (3x•-9y) --> -27xy

3) (-y•2x) --> -2xy

4) (-y•-9y) --> 9y squared

6x^2-27xy-2xy+9y^2

answer- 6x^2-29xy+9^2

(^2 means squared, cant put a squared symbol from ipod)

the answer is :

6x2-29xy+9y2

Here the number 2 after x and y is the power of x and y. This is because when you multiply x or y of one bracket to x or y of other bracket then when x multiplied by x or when y multipled by y will become square of itself.

(3x-y)(2x-9y)

=6x^2-27xy-2xy+9y^2

=6x^2-29xy+9y^2