Posted by Anonymous on Tuesday, April 26, 2011 at 2:54pm.
how do i solve this completing the square problem: 3x^2+12x+10=0
- trig - MathMate, Tuesday, April 26, 2011 at 3:31pm
x=-2-√(2/3) or -2+√(2/3)
- trig - bobpursley, Tuesday, April 26, 2011 at 3:34pm
divide by 3
x^2+4x + ???= -10/3 + ???
well, look at the second term. take one half of it, and square it, add to both sides.
take the square root of each side.
x+2= +-sqrt 2/3
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