document.write( "Question 647567: 2p(a)+p(a-1) if p(x)=x^2+3\r
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document.write( "we know what the answer is but cannot figure out the steps to get to it\r
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document.write( "helping son with algebra II homework \n" );
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Algebra.Com's Answer #406294 by swincher4391(1107)![]() ![]() You can put this solution on YOUR website! p(a) = a^2 + 3\r \n" ); document.write( "\n" ); document.write( "p(a-1) = (a-1)^2 + 3 = (a^2 -2a + 1) +3 by foil.\r \n" ); document.write( "\n" ); document.write( "so continuing: p(a-1) = a^2 -2a +4 \r \n" ); document.write( "\n" ); document.write( "Now substitute.\r \n" ); document.write( "\n" ); document.write( "2*(a^2+3) + a^2 -2a +4 \r \n" ); document.write( "\n" ); document.write( "2a^2 + 6 +a^2 - 2a + 4 by distributive property\r \n" ); document.write( "\n" ); document.write( "Now combine like terms\r \n" ); document.write( "\n" ); document.write( "(2a^2 + a^2) - 2a + (6+4)\r \n" ); document.write( "\n" ); document.write( "3a^2 - 2a + 10\r \n" ); document.write( "\n" ); document.write( "If you have any questions about the steps presented here, email me at my private email: OnlyYourMathTutor@yahoo.com\r \n" ); document.write( "\n" ); document.write( "Otherwise hope this was clear!\r \n" ); document.write( "\n" ); document.write( "-Devin \n" ); document.write( " |