Answered

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Which of the following is a perfect square trinomial?

A. 4x^2 + 20xy - 25y^2

B. 4x^2 - 14xy + 25y^2

C. 4x^2 + 14xy - 25y^2

D. 4x^2 - 20xy + 25y^2

Which Of The Following Is A Perfect Square Trinomial A 4x2 20xy 25y2 B 4x2 14xy 25y2 C 4x2 14xy 25y2 D 4x2 20xy 25y2 class=

Sagot :

loneguy

Answer:

[tex]D.~4x^2-20xy+25y^2[/tex]

Step-by-step explanation:

[tex]4x^2-20xy+25y^2\\\\=(2x)^2-2\cdot 2x \cdot 5y+(5y)^2\\\\=(2x-5y)^2[/tex]

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