Question

multiply( x + Y) and( 3 X + 4 Y) to each other and verify the product for the following values x = 2, y=-1,​

Answer 1

Answer:

(x + y) (3x + 4y)

x(3x + 4y) +y (3x + 4y)

3x² + 4xy + 3xy + 4y²

3x² + 7xy + 4y²

3(2)² + 7(2)(-1) + 4(-1)²

3(4) + 7(-2) + 4(1)

12 - 14 + 4

12 - 10

2

MARK ME AS BRAINLIEST!!