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Subjects>Math>Math & Arithmetic

Is 9x2-30x plus 25 a perfect square?

Updated: 12/10/2022

Wiki User

∙ 14y ago

Best Answer

9xx-30x+25

sqrt 9 = 3, -3

sqrt 25 = 5, -5

2(3*5)=30

2(-3*-5)=30

2(-3*5)=-30

2(3*-5)=-30

(5-3x)(5-3x)

(3x-5)(3x-5)

YES it is a perfect square

Wiki User

∙ 14y ago

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