Question 298460
x^2 + 7x - 59 = 0
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}
x=(-7+-sqrt[7^2-4*1*-59])/2*1
x=(-7+-sqrt[49+236])/2
x=(-7+-sqrt285)/2
x=(-7+-16.882)/2
x=(-7+16.882)/2
x=9.992/2
x=4.94 ans.
x=(-7-16.882)/2
x=-23.882/2
x=-11.94 ans.