document.write( "Question 623213: can you explain to me
\n" ); document.write( "how can i solve this
\n" ); document.write( "18z + 45 + z2 \n" ); document.write( "

Algebra.Com's Answer #391937 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
\n" );
document.write( "Hi,
\n" );
document.write( "18z + 45 + z^2   \Note use of ^  (uppercase 6)
\n" );
document.write( "If You meant:
\n" );
document.write( "f(z) =    and to find where f(z) = 0
\n" );
document.write( " = 0
\n" );
document.write( "Quadratic formula ALWAYS works
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "     z = -3  and z = -15
\n" );
document.write( "OR by factoring:
\n" );
document.write( " = 0
\n" );
document.write( "  (z + 3)(z+15) = 0   \n" );
document.write( "

\n" );