3 years ago

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

Mathematics

1 answer:

ohaa [14]3 years ago

5 0

Answer:

(X+Y+3)(X+Y-4)

= X^2+XY-4X+XY+Y^2_4Y+3X+3Y-12

=X^2+Y^2+2XY-X-Y-12

Step-by-step explanation:

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