algebra
posted by jane on .
Please I need help!
Solve and simplify:
x^2+14x4=0

solution, via the quadratic formula:
x = [14 ± √(196+16)]/2
simplify:
x = (14 ± √212)/2
= (14 ± 2√53)/2
= 7 ± √53
Real math types prefer that as the answer. It's exact, and we don' need no steenking decimal places!