Asked by jane
Please I need help!
Solve and simplify:
x^2+14x-4=0
Solve and simplify:
x^2+14x-4=0
Answers
Answered by
Steve
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!
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!
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