document.write( "Question 90791: Use the ac test to determine if the following trinomial can be factored. If it can be factored, find the values of m and n. 3x^2+11x-4 \n" ); document.write( "
Algebra.Com's Answer #65874 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Use the ac test to determine if the following trinomial can be factored. If it can be factored, find the values of m and n. 3x^2+11x-4 \n" ); document.write( "----------- \n" ); document.write( "AC = 3*-4 = -12 \n" ); document.write( "b = 11 \n" ); document.write( "-------------- \n" ); document.write( "Think of two numbers whose product is -12 and whose sum is 11 \n" ); document.write( "--------------- \n" ); document.write( "The numbers are -12 and +1 \n" ); document.write( "----------------- \n" ); document.write( "Rewrite the problem, as follows: 3x^2+12x-x-4 \n" ); document.write( "Factor the 1st two and the last two terms separaely: \n" ); document.write( "3x(x+4)-(x+4) \n" ); document.write( "Factor again: \n" ); document.write( "(x+4)(3x-1) \n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |