document.write( "Question 822492: [ solve by extracting the root: 3(2x+3)^2=45 ] \n" ); document.write( "
Algebra.Com's Answer #494883 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! --- \n" ); document.write( "3(2x + 3)^2 = 45 \n" ); document.write( "--- \n" ); document.write( "put the quadratic equation into standard form: \n" ); document.write( "--- \n" ); document.write( "3(2x + 3)^2 = 45 \n" ); document.write( "(2x + 3)(2x + 3) = 45/3 \n" ); document.write( "4xx + 12x + 9 = 15 \n" ); document.write( "4xx + 12x - 6 = 0 \n" ); document.write( "--- \n" ); document.write( "the above quadratic equation is in standard form, with a=4, b=12, and c=-6 \n" ); document.write( "--- \n" ); document.write( "to solve the quadratic equation, by using the quadratic formula, copy and paste this: \n" ); document.write( "4 12 -6 \n" ); document.write( "into this solver: https://sooeet.com/math/quadratic-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "this quadratic has two real roots (the x-intercepts), which are: \n" ); document.write( "x = 0.436491673 \n" ); document.write( "x = -3.43649167 \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( " |