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\n" ); document.write( "-5x^2 - 20x + 8y + 12 = 0
\n" ); document.write( "8y = 5x^2 + 20x - 12 = 0
\n" ); document.write( "y = (5/8)x^2 + (20/8)x - (12/8) = 0
\n" ); document.write( "y = (5/8)x^2 + (5/2)x - (3/2) = 0
\n" ); document.write( "y = (0.625)x^2 + (2.5)x - 1.5 = 0
\n" ); document.write( "---
\n" ); document.write( "the above quadratic equation is in standard form, with a=0.625, b=2.5, and c=-1.5
\n" ); document.write( "---
\n" ); document.write( "to solve the quadratic equation, by using the quadratic formula, copy and paste this:
\n" ); document.write( "0.625 2.5 -1.5
\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 = 0.529822128
\n" ); document.write( "x = -4.52982213
\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( "