Question

Упростите.
$\frac{ 125^{x}+25^x-12*5^x }{5^x (5^x-3)}$

Answer 1

$(5 ^{3x} +5 ^{2x} -12*5^x)/5^x(5^x-3)=5^x(5 ^{2x} +5^x-12)/5^x(5^x-3)=$$(5^x+4)(5^x-3)/(5^x-3)=5^x+4$