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graydarlBest ResponseYou've already chosen the best response.0
\[\Delta=13^{2}4*2*15, x _{1,2}=(b \pm \Delta)/2\] result for the first ecuation
 one year ago

ktnguyen1Best ResponseYou've already chosen the best response.1
First 1: a=2, b=13, c=15>a(c)= 2(15)= 30=3(10) 2x^2+10x+3x+15 2x(x+5)+3(x+5) (2x+3)(x+5) Same idea for #2 2x^2+x+26x+13 X(2x+1)+13(2x+1) (X+13)(2x+1)
 one year ago

graydarlBest ResponseYou've already chosen the best response.0
\[x _{1,2}=(13\pm \Delta)/2^{2}\]
 one year ago
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