TVo_12
Did I do this right:
(x5y) (x5y)
x^25xy5xy+25
should this be my answer; x^210xy+25



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DoomDude
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yes

DoomDude
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wait...

DoomDude
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x^2 10xy+25y^2 right?

math456
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do like x(x5y)5y(x5y)
x^25xy5xy+25y^2
x^210xy+25y^2

DoomDude
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ya...

TVo_12
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teacher said to write it twice.

math456
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there should be y^2 in 25

DoomDude
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when you do 5y x 5y the two "y" are doubled

TVo_12
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how

DoomDude
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because you are multiplying the fives, and the y's

math456
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i did it, have a look @TVo_12

radar
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5y times 5y is 25y^2

math456
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x(x5y)5y(x5y)
x^25xy5xy+25y^2
x^210xy+25y^2

DoomDude
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indeed it is

TVo_12
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thanks