document.write( "Question 928669: samuel is 12 years older than his brother james. the product of their ages is 133. how old is each brother? \n" ); document.write( "
Algebra.Com's Answer #563847 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! x = sam age now \n" ); document.write( "y = jim age now \n" ); document.write( "--- \n" ); document.write( "x = y + 12 \n" ); document.write( "xy = 133 \n" ); document.write( "--- \n" ); document.write( "xy = 133 \n" ); document.write( "(y + 12)y = 133 \n" ); document.write( "yy + 12y - 133 = 0 \n" ); document.write( "--- \n" ); document.write( "the above quadratic equation is in standard form, with a=1, b=12 and c=-133 \n" ); document.write( "--- \n" ); document.write( "to solve the quadratic equation, by using the quadratic formula, copy and paste this: \n" ); document.write( "1 12 -133 \n" ); document.write( "into this solver: https://sooeet.com/math/quadratic-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "the quadratic has two real roots at: \n" ); document.write( "--- \n" ); document.write( "y = 7 \n" ); document.write( "y = -19 \n" ); document.write( "--- \n" ); document.write( "the negative root doesn't fit the problem statement, so use the positive root: \n" ); document.write( "--- \n" ); document.write( "y = 7 \n" ); document.write( "x = y + 12 \n" ); document.write( "x = 7 + 12 \n" ); document.write( "x = 19 \n" ); document.write( "--- \n" ); document.write( "answer: \n" ); document.write( "y = jim age now = 7 \n" ); document.write( "x = sam age now = 19 \n" ); document.write( "--- \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve quadratic equations, quadratic formula: \n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables: \n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( " |