document.write( "Question 171374: Need help evaluating each expression for a= -4 and b= 5\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "1. (3a)^2\r
\n" ); document.write( "\n" ); document.write( "answer= 24?\r
\n" ); document.write( "\n" ); document.write( "7. -ab^2(a-ab)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "10. -b -a^2- 8\r
\n" ); document.write( "\n" ); document.write( "15. -(ab)3\r
\n" ); document.write( "\n" ); document.write( "answer=60?\r
\n" ); document.write( "\n" ); document.write( "Thank you for any help given! :)
\n" ); document.write( "

Algebra.Com's Answer #126552 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Need help evaluating each expression for a= -4 and b= 5
\n" ); document.write( "1. (3a)^2
\n" ); document.write( "answer= 24?
\n" ); document.write( "(3a)^2 = (3*(-4))^2
\n" ); document.write( "= (-12)^2
\n" ); document.write( "=144
\n" ); document.write( "-------------
\n" ); document.write( "7. -ab^2(a-ab)
\n" ); document.write( "= -(-4)*5^2*(-4 - (-4)*5)
\n" ); document.write( "= 4*25*(-4 + 20)
\n" ); document.write( "= 100*(16)
\n" ); document.write( "=1600
\n" ); document.write( "--------------
\n" ); document.write( "10. -b -a^2- 8
\n" ); document.write( "= -5 -(-4)^2 -8
\n" ); document.write( "= -5 -16 -8
\n" ); document.write( "= -29
\n" ); document.write( "-------------
\n" ); document.write( "15. -(ab)3
\n" ); document.write( "= -(-4*5)*3 (assume you mean times 3)
\n" ); document.write( "= 60
\n" ); document.write( "answer=60?
\n" ); document.write( "----------------
\n" ); document.write( "
\n" ); document.write( "
\n" );