1.

Which of the following products is equal to\[25{{x}^{2}}-30xy+9{{y}^{2}}?\]

A. \[\text{(}5x+3y\text{)(}5x+3y\text{)}\]
B. \[\text{(}5x-3y\text{)(}5x-3y\text{)}\]
C. \[\text{(}3x-5y\text{)(}3x-5y\text{)}\]
D. \[\text{(}3x+5y\text{)(}3x+5y\text{)}\]
Answer» C. \[\text{(}3x-5y\text{)(}3x-5y\text{)}\]


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