Question 362374
(x-3)(x+5)=7 
x^2+5x-3x-15=7
x^2+2x-15-7=0
x^2+2x-22=0
discriminant =92
{{{x1= (-2+sqrt(92))/2}}}
x1=3.79
x2={{{ (-2-sqrt(92))/2}}}
x2=-5.79
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