document.write( "Question 662425: hi there I am currently doing exponential equations and indices, which im understanding a few but unable to complete these. Can you assist?
\n" ); document.write( "1. 5^2x-6(5^x)+5=0
\n" ); document.write( " (5x)^2-6(5^x)+5=0
\n" ); document.write( " let 5x=y
\n" ); document.write( " y^2-6y+5=0
\n" ); document.write( "(this one i have started to work on but unable to finish)
\n" ); document.write( "2.4^x(5^2x)=10
\n" ); document.write( "3.7^x+1-2=2(7^x)+3
\n" ); document.write( "4.6(3^x-1)=3^4-3^x
\n" ); document.write( "I would greatly appreciate help thanks.
\n" ); document.write( "

Algebra.Com's Answer #412238 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" ); document.write( "Hi,previously Posted
\n" ); document.write( "1. 5^2x-6(5^x)+5=0
\n" ); document.write( " (5x)^2-6(5^x)+5=0
\n" ); document.write( " let \"5x=y+\" || Good work!
\n" ); document.write( " y^2-6y+5=0
\n" ); document.write( "factoring
\n" ); document.write( "(y-5)(y-1) = 0, y = 5 0r y = 1 AND x = 1 0r x = 1/5
\n" ); document.write( "As to the Remainder: the Idea is combining Like Terms...
\n" ); document.write( "2.4^x(5^2x)=10 ⇒ \"2%5E%282x%295%5E%282x%29+=+10%5E%282x%29+=+10\", x = 1/2
\n" ); document.write( " 3.7^x+1-2=2(7^x)+3 ⇒ 7^x(7-2) = 5 ⇒ 7^x = 1, x = 0
\n" ); document.write( " 4.\"6%283%5E%28x-1%29%29=3%5E4-3%5Ex\"
\n" ); document.write( " 3^x (6*3^(-1)+1) = 3^x(2+1)= 81 ⇒ 3^x = 27, x = 3 \n" ); document.write( "
\n" );