1.

( 5x​^+ 3y​^2 ) (5x​^2- 3y​^2)

Answer»

Answer:

5X3Y2)

2

=(5x)

2

+(−3y)

2

+(−2)

2

−2(5x)(3y)+2(3y)(2)−2(2)(5x)

(5x−3y−2)

2

=25X

2

+9Y

2

+4−30xy+12y−20x



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