Question

Find the quadratic q2+10q+22=0

Answer 1

Explanation:

It can be done either by quadratic formula or by using completing the square method.

By completing the square method,we have,

q^2+2.q.5+5^2-25+22=0

or,(q+5)^2-(√3)^2=0

or,(q+5+√3)(q+5-√3)=0

or,q=-5-√3 or q=-5+√3

Answer 2

Answer:

q^2+2.q.5+5^2-25+22=0

or,(q+5)^2-(√3)^2=0

or,(q+5+√3)(q+5-√3)=0

or,q=-5-√3 or q=-5+√3