5^x × 25^2= 5^12
solve carefully.
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[tex]5^x .25^2=5^{12}\\5^x=5^{12}:25^2\\5^x=5^{12}:(5^2)^2\\5^x=5^{12}: 5^{4}\\5^x=5^{12-4}\\5^x=5^8\\=>x=8[/tex]
ANSWER: x = 8
ok done. Thank to me :>