Question 98341
1.4x^2-2x-10=0 {{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}} 
X=(2+-SQRT[-2^2-4*1.4*-10])/2*1.4
X=(2+-SQRT[4+56])/2.8
X=(2+-SQRT60)/2.8
X=(2+-7.746)/2.8
X=(2+7.746)/2.8
X=9.746/2.8
X=3.48 ANSWER.
X=(2-7.746)/2.8
X=-5.746/2.8
X=-2.052 ANSWER.