Question

Multiple (3x-y) by (x+y) and verify the results for x=1 and y=(-2)​

Answer 1

Answer:

-5

Step-by-step explanation:

For x=1, and y=(-2),

(3x-y) * (x+y)

= ((3*1)−(−2))(1+−2)

= 3+2 * -1

= 5 * -1

= -5