document.write( "Question 720929: what is 10b exponent 2 - 15b = 8b - 12 its dealing with factoring trinomials: ax exponent 2 + bx + c. \n" ); document.write( "

Algebra.Com's Answer #442074 by nerdybill(7384) $\"\"$ $\"About$

You can put this solution on YOUR website!
10b exponent 2 - 15b = 8b - 12
\n" ); document.write( " $\"10b%5E2+-+15b+=+8b+-12\"$
\n" ); document.write( " $\"10b%5E2+-+23b+=+-12\"$
\n" ); document.write( " $\"10b%5E2+-+23b+%2B+12+=+0\"$
\n" ); document.write( "rewrite middle term as:
\n" ); document.write( " $\"10b%5E2+-+15b-8b+%2B+12+=+0\"$
\n" ); document.write( "group:
\n" ); document.write( " $\"%2810b%5E2-15b%29+-+%288b-12%29+=+0\"$
\n" ); document.write( " $\"5b%282b-3%29+-+4%282b-3%29+=+0\"$
\n" ); document.write( " $\"%282b-3%29%285b-4%29+=+0\"$
\n" ); document.write( "setting each term on left to zero:
\n" ); document.write( "b = {3/2, 4/5} \n" ); document.write( "

\n" );