document.write( "Question 749990: b cube root 24a^5b + 3a cube root 81a^2b^4 \n" ); document.write( "
Algebra.Com's Answer #457438 by malglu(63)![]() ![]() ![]() You can put this solution on YOUR website! b cube root 24a^5b + 3a cube root 81a^2b^4\r \n" ); document.write( "\n" ); document.write( "24 = 8 *3 \n" ); document.write( "8 = 2^3\r \n" ); document.write( "\n" ); document.write( "a^5 = a^3 *a^2\r \n" ); document.write( "\n" ); document.write( "81 = 27*3 \n" ); document.write( "27 = 3^3\r \n" ); document.write( "\n" ); document.write( "b^4 = b^3 * b\r \n" ); document.write( "\n" ); document.write( "using that info rewrite the expression\r \n" ); document.write( "\n" ); document.write( "b cube root (2^3 *3 *a^3 * a^2 *b) + 3 cube root (3^3 *3 *a^2 * b^3 *b) \n" ); document.write( " \r \n" ); document.write( "\n" ); document.write( "b * 2 *a cube root (3ba^2) + 3 * 3 *b cube root (3ba^2)\r \n" ); document.write( "\n" ); document.write( "the expression now becomes \n" ); document.write( "2ba cube root (3ba^2) + 9b cube root (3ba^2) \n" ); document.write( "which can be simplified into\r \n" ); document.write( "\n" ); document.write( "(2ba + 9b)cube root (3ba^2) \n" ); document.write( " |