Solve for x
x=4
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900=x\times 15^{2}
Calculate 30 to the power of 2 and get 900.
900=x\times 225
Calculate 15 to the power of 2 and get 225.
x\times 225=900
Swap sides so that all variable terms are on the left hand side.
x=\frac{900}{225}
Divide both sides by 225.
x=4
Divide 900 by 225 to get 4.
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