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Factor {9x}^(2) - {25y}^(2)
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Factor

{9x}^(2) - {25y}^(2)

User PApostol
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\text{Use}\ (a-b)(a+b)=a^2-b^2\\\\9x^2-25y^2=(3x)^2-(5y)^2=(3x-5y)(3x+5y)

User Zakyggaps
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