Question

find the roots of x^2-5x+6=0 using quadratic formula.

Answer 1

d=√25-4(1)(6)=1
$x = ( - b + - \sqrt{d} ) \div 2a \\ x =( 5 + - 1) \div 2 \\ x = 3and2$
here is whole soln... (+-)meanseither one of them