document.write( "Question 171374: Need help evaluating each expression for a= -4 and b= 5\r
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document.write( "1. (3a)^2\r
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document.write( "answer= 24?\r
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document.write( "7. -ab^2(a-ab)\r
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document.write( "10. -b -a^2- 8\r
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document.write( "15. -(ab)3\r
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document.write( "answer=60?\r
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document.write( "Thank you for any help given! :) \n" );
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Algebra.Com's Answer #126552 by Alan3354(69443)![]() ![]() 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( " |