Question

(3x+y)(5x-3)
(4xy)(5xy-3x)
(4-5y)(4+5y)
por favor ayudaa​

Answer 1

Explicación paso a paso:

1) (3x+y)(5x-3)

15x^2 - 9x + 5xy - 3y

2) (4xy)(5xy-3x)

20x^2y^2 - 12x^2y

3) (4-5y)(4+5y)

16 + 20y - 20y - 25y^2

16 - 25y^2