Question

Solve equation with the quadratic formula

m²-5m-14-0

Answer 1

Explanation:

remember the quadratic formula, x=(-(b)+/-sqrt(b^2-4ac))/2a

In this case, m=(5+/-sqrt(25-4(1)(-14))/(2(1))

=(5+/-sqrt(81))/2

=(5+9)/2, (5-9)/2, m=7,-2