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OpenStudy (anonymous):
64x^2-80x+25 factor as perfect square trinomial whereever possible
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OpenStudy (compassionate):
(8x - 5^2)
OpenStudy (compassionate):
Do you understand why?
OpenStudy (mathstudent55):
a^2 - 2ab + b^2 = (a - b)^2 Here, a^2 = 64x^2, so a = 8x Also, here b^2 = 25, so b = 5
OpenStudy (anonymous):
I do not think that one is correct
OpenStudy (compassionate):
(8x - 5)^2 is correct
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