Explore BrainMass

Deciding between two solutions

Solution 1:

x has the solution of -1/2 or 4 it means

x-0.5 or x-4 is equal to zero

=> (x-0.5)(x-4)=0

=>x^2 -4.5x+2=0


Solution 2:

x = -1/2 and x = 4





Solution Preview

The second one is correct.

Remember that if x = a and x = b are solutions of a quadratic ...

Solution Summary

A simple case of forming the correct quadratic expression given its roots.