Question

(X-2Y) (Y-3X)+(X+Y) (X-3Y)-(Y-3X) (4X-5Y)

Answer 1

Answer:

10X^2-14XY=5X^2-7XY

Step-by-step explanation:

(X-2Y)(Y-3X)+(X+Y)(X-3Y)-(Y-3X)(4X-5Y)

==>XY-3X^2-2Y^2+6XY+X^2-3XY+XY-3Y^2-4XY+5Y^2+12X^2-15XY

==>10X^2-14XY

==>5X^2-7XY