document.write( "Question 172558: Need help on these that I have to complete today\r
\n" ); document.write( "\n" ); document.write( "Evaluate for a=3 and b= -4
\n" ); document.write( "1.a. (2b)^3\r
\n" ); document.write( "\n" ); document.write( "is the answer 512?\r
\n" ); document.write( "\n" ); document.write( "b. –ab^2(a- ab)
\n" ); document.write( "c. –a - b^2- 5
\n" ); document.write( "d. –2(ab)^2\r
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\n" ); document.write( "\n" ); document.write( "2. Combine like terms\r
\n" ); document.write( "\n" ); document.write( "a. –5w+9x- 8w - 4x
\n" ); document.write( "b. –4+5y+ (-3) +5y+4y\r
\n" ); document.write( "\n" ); document.write( "I believe if I can have help with these I will be able to grasp the rest of my hw. Thank you anyone for your quick reply.
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Algebra.Com's Answer #127419 by Earlsdon(6294)\"\" \"About 
You can put this solution on YOUR website!
1. Evaluate for a = 3 and b = -4
\n" ); document.write( "a) \"%282b%29%5E3+=+%282%28-4%29%29%5E3\"=\"%28-8%29%5E3+=+%28-8%29%28-8%29%28-8%29\" = \"highlight%28-512%29\"
\n" ); document.write( "b) \"-ab%5E2%28a-ab%29+=+-3%28-4%29%5E2%283-3%28-4%29%29\"=\"-3%2816%29%283-%28-12%29%29+=+-48%2815%29\"=\"highlight%28-720%29\"
\n" ); document.write( "c) \"-a-b%5E2-5+=+-3-%28-4%29%5E2-5\"=\"-3-16-5+=+highlight%28-24%29\"
\n" ); document.write( "d) \"-2%28ab%29%5E2+=+-2%283%28-4%29%29%5E2\"=\"-2%28-12%29%5E2+=+-2%28144%29\"=\"highlight%28-288%29\"
\n" ); document.write( "2. Combine like-terms.
\n" ); document.write( "a) \"-5w%2B9x-8w-4x+=+-5w-8w%2B9x-4x\"=\"highlight%28-13w%2B5x%29\"
\n" ); document.write( "b) \"-4%2B5y%2B%28-3%29%2B5y%2B4y+=+-4%2B%28-3%29%2B5y%2B5y%2B4y\"=\"highlight%28-7%2B14y%29\"
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