document.write( "Question 258195: how do you simplify (3f^2+5f-9)+(4f^2-7f+12) \n" ); document.write( "
Algebra.Com's Answer #190145 by jmorgan22(8) ![]() You can put this solution on YOUR website! Remove the parentheses that are not needed from the expression. \r \n" ); document.write( "\n" ); document.write( "3f^2+5f-9+4f^2-7f+12\r \n" ); document.write( "\n" ); document.write( "Since 3f^2 and 4f^2 are like terms, add 4f^2 to 3f^2 to get 7f^2.\r \n" ); document.write( "\n" ); document.write( "7f^2+5f-9-7f+12\r \n" ); document.write( "\n" ); document.write( "Since 5f and -7f are like terms, add -7f to 5f to get -2f. \r \n" ); document.write( "\n" ); document.write( "7f^2-2f-9+12\r \n" ); document.write( "\n" ); document.write( "Add 12 to -9 to get 3. \r \n" ); document.write( "\n" ); document.write( "Answer: 7f^2-2f+3\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |