Question

HELP ME!!! PLZ! I NEED HELP ASAP!!


Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring.

−b     b2 − 4ac     2a

Use the part of the quadratic formula that you chose above and find its value, given the following quadratic equation:

4x2 + 6x + 2 = 0
Numerical Answers Expected!

Answer 1

Answer is b^2-4ac. If this number is a perfect square like 4, 9, 16,... then it is factorable.
6^2-4(4)(2)=36-24=12. Not a perfect square, so it is not factorable.