Question

12xy(9x°-16y")% 4xy(3x + 4y)​

Answer 1

Answer:

Factorise the following:

12xy(9x

2

−16y

2

)÷4xy(3x+4y)

Step-by-step explanation:

12xy(9x

2

−16y

2

)=12xy(3x)

2

−(4y)

2

=12xy(3x+4y)(3x−4y) ......... (1)

4xy(3x+4y)

12xy(9x

2

−16y

2

)

[from (1)]

=

4xy(3x+4y)

12xy(3x+4y)(3x−4y)

=3(3x−4y)