## dread907 4x2 - 2x - 9 = 0 one year ago one year ago

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Used the quadratic equation to solve the question, and show all work.

2. baziham

in ax^2 + bx+ c=0 x=(-b + sqr( b^2 - 4ac))/(2a) x=(-b - sqr( b^2 - 4ac))/(2a)

3. Goten77

|dw:1357767295007:dw| then it depends on how much they want it reduced...

4. baziham

|dw:1357760479660:dw|

5. baziham

|dw:1357760552634:dw|

6. baziham

$x=\frac{ 1\pm5\sqrt{2} }{ 4 }$