35.8k views
5 votes
What is the product of 2x + y and 5x – y + 3?

User Askielboe
by
2.9k points

1 Answer

5 votes

Answer:10x^2+11xy-6y^2

Explanation:

( 2 x + 3 y ) ( 5 x − 2 y ) = 2 x ( 5 x − 2 y ) + 3 y ( 5 x − 2 y )

= 10 x 2 − 4 x y + 15 x y − 6y 2

= 10 x 2 + 11 x y -6 y 2 .

User Gdelente
by
4.0k points