document.write( "Question 155404: 16x^2-49=0 \n" ); document.write( "

Algebra.Com's Answer #114448 by checkley77(12844) $\"\"$ $\"About$

You can put this solution on YOUR website!
16x^2-49=0
\n" ); document.write( "(4X+7)(4X-7)=0
\n" ); document.write( "4X+7=0
\n" ); document.write( "4X=-7
\n" ); document.write( "X=-7/4 ANSWER.
\n" ); document.write( "4X-7=0
\n" ); document.write( "4X=7
\n" ); document.write( "X=7/4 ANSWER.
\n" ); document.write( "PROOF:
\n" ); document.write( "4(-7/4)^2-49=0
\n" ); document.write( "4*49/4-49=0
\n" ); document.write( "49-49=0
\n" ); document.write( "0=0 \n" ); document.write( "

\n" );