Question

Multiply:
(x-2y+3) by (x+2y) ​

Answer 1

Step-by-step explanation:

(x−2y+3) by (x+2y)

= (x−2y+3)×(x+2y)

= x(x+2y)−2y(x+2y)+3(x+2y)

= x

2

+2xy−2xy−4y

2

+3x+6y

= x

2

−4y

2

+3x+6y

Answer 2

Answer:

x²-4y²+3x+6y 

Step-by-step explanation:

(x−2y+3) by (x+2y) 

= (x−2y+3)×(x+2y) 

= x(x+2y)−2y(x+2y)+3(x+2y) 

= x²+2xy−2xy−4y²+3x+6y 

= x²-4y²+3x+6y 

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