Evaluate
49\left(xz\right)^{2}
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49\left(xz\right)^{2}
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7^{2}x^{2}z^{2}
Expand \left(7xz\right)^{2}.
49x^{2}z^{2}
Calculate 7 to the power of 2 and get 49.
7^{2}x^{2}z^{2}
Expand \left(7xz\right)^{2}.
49x^{2}z^{2}
Calculate 7 to the power of 2 and get 49.
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