document.write( "Question 646094: quadratic equation. Check by substitution or by using a graphing utility ad identifying x-intercepts. 4x^2=19x+30 the solution set is? \n" ); document.write( "
Algebra.Com's Answer #405719 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!
\"4x%5E2=19x%2B30\"\r
\n" ); document.write( "\n" ); document.write( "\"4x%5E2-19x-30=0\"....replace \"-19x\" with \"5x-24x\"\r
\n" ); document.write( "\n" ); document.write( "\"4x%5E2%2B5x-24x-30=0\"\r
\n" ); document.write( "\n" ); document.write( "\"4x%5E2-24x%2B5x-30=0\"\r
\n" ); document.write( "\n" ); document.write( "\"4x%28x-6%29%2B5%28x-6%29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x-6%29%284x%2B5%29=0\"\r
\n" ); document.write( "\n" ); document.write( "if \"x-6=0\".....=>.....\"x=6\"\r
\n" ); document.write( "\n" ); document.write( "if \"4x%2B5=0\".....=>.....\"4x=-5\"=>.....\"x=-5%2F4\"\r
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\n" ); document.write( "\n" ); document.write( "\"+graph%28+600%2C+600%2C+-5%2C+10%2C+-55%2C+10%2C+4x%5E2-19x-30%29+\" \r
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