Question

what should be added to 23 x²- 11 xy + 15 y² to get 22 xy - 3x²- 5y plz find the answer next hour is exam for me now im preparing revision plz help me ​

Answer 1

Answer:

33xy- 25x^2 -20y^2

Step-by-step explanation:

Let's assume it as "a"

So 23x^2-11xy+15y^2 + a = 22xy-3x^2-5y^2

a= 22xy+11xy - 3x^2-23x^2-5y^2-15y^2

a= 33xy- 25x^2 -20y^2

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