Haleyy_Bugg
Find the product of (2x − 5y)^2.
A) 4x^2 + 20xy + 25y^2
B) 4x^2 − 20xy + 25y^2
C) 4x^2 − 25y^2
D) 4x^2 + 25y^2



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Haleyy_Bugg
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@Notamathgenius

Haleyy_Bugg
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@dmezzullo

dmezzullo
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what is 4x4?
what is 5x5?

bahupepe
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4x^220xy+25y^2

Haleyy_Bugg
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16 and 25

lopus
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is simple is B
only is (2x5y)*(2x5y)

bahupepe
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thats the answer

dmezzullo
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Wait wrong thing, lemme redo it

bahupepe
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the answe is D

dmezzullo
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ok so 2x2 is ??
and 5x5 is ??

dmezzullo
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@bahupepe Do not jus give the answer out explain it also this is a site to learn.
Welcome to OPenstudy!! also

Haleyy_Bugg
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So its D?

lopus
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OMG

dmezzullo
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Yes it is D, But in the future guys plz explain the problem.

Haleyy_Bugg
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Find the product of (x + 3)^2.
x^2 + 6x + 9
x^2 − 6x + 9
x^2 − 9
x^2 + 9

bahupepe
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okay
(2x5y)(2x5y)
4x^210xy10xy+25y^2
4x^220xy+25y^2

dmezzullo
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Ok so x times x ??
3x3 ??

Haleyy_Bugg
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3x3 = 9
x times x = idk

dmezzullo
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ok so x times x would jus be x^2 bc u are jus timesing it by itself.

dmezzullo
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So then wut do u think the answer is?

lopus
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(x+3)*(x+3)= (x^2+3x+3x+9) you're joke

Haleyy_Bugg
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oh okay. so am i adding or subtracting?

dmezzullo
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Adding.

lopus
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x*X=x^2

Haleyy_Bugg
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So D?

dmezzullo
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Yes.