Question

b (5^2)^14÷25^12-5•(55^1+x÷5)=5^ 2
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Answer 1

$( {5}^{2} )^{14} \div {25}^{12} - 5 \times ( {55}^{1} + x \div 5) - {5}^{2} =$

$= {5}^{28} \div {5}^{24} - 5(55 + \frac{1}{5} x) - 25 =$

$= {5}^{4} - 5(55 + \frac{1}{5} x) - 25 =$

$= {5}^{4} - 275 - x - 25 =$

$= 625 - 275 - x - 25 =$

$= 325 - x$