Answers

  • cef
  • Helping Hand
2014-10-19T20:38:30+08:00
1.) 2xsquare+3xsquare+7x=0
2.)5xsquare+10xsquare+9x=0
3.)700xsquare+100xsquare+50x=0
4.)3x+9xsquare+6xsquare=0
45xsquare+5x+10xsquare=0
because all square and the equation that can be factored with no negative sign can considered as quadratic equation.
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2014-10-19T20:57:55+08:00

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3. 3x²-27=0
4. 4x²=25
5. x²=48
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