SOLUTION: I also need your help with this question {{{ x square -12x-3=0 }}}

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Question 80924: I also need your help with this question +x+square+-12x-3=0+
Answer by sofiyacherni(99) About Me  (Show Source):
You can put this solution on YOUR website!
the quadratic formula is x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
in your equation a=1 b=-12 c=-3
substitute these values in formula
x=%2812%2B-sqrt%28144%2B12%29%29%2F2=%2812%2B-sqrt%28156%29%29%2F2=%2812%2B-+2sqrt%2839%29%29%2F2=6%2B-sqrt%2839%29