Question

1.Multiply: (3x + 4y) (4x - 3y)
2.Add: (2x + 3y) (4y - x) (x - 7y)
​

Answer 1

Answer:

this is right answer

Step-by-step explanation:

please mark my answer as braintists

okk

Answer 2

Answer:

1. 12x²-5xy-12y²      2. 2x

Step-by-step explanation:

Hope these answers help you my friend...

1. (3x+4y)(4x-3y)

=  3x(4x-3y)+4y(4x-3y)

=  12x²-9xy+4xy-12y²

=  12x²-5xy-12y²

2. (2x+3y)+(4y-x)+(x-7y)

=   2x+3y+4y-x+x-7y

=   2x+7y-7y

=   2x