Question

(5x²+25y+4y²) (2x²-2xy+3y²)​

Answer 1

Step-by-step explanation:

5x²(2x²-2xy+3y²)+25y(2x²-2xy+3y²)+4y²(2x²-2xy+3y²)

10x⁴-10x³y+15x²y²+50x²y-50xy²+75y³+8x²y²-8xy³+12y⁴

=10x⁴-10x³y+23x²y²+50x²y-50xy²+75y³-8xy³+12y⁴

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Answer 2

Answer:

Step-by-step explanation:

 

​  AreaofRectangle=(5x  

2+25xy+4y  2 )(2x  2 −2xy+3y  2 ) =10x 4 −10x  3 y+15x 2 y  2 +50x  3 y−50x  2 y 2 +75xy3 +8x  2y 2 −8xy3 +12y 4 =10x  4 +12y4 +40x 3 y−27x  2 y 2 +67xy 3

 

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