Solve the equation, , using the quadratic formula.

asked Aug 22, 2020 80.0k views

2 votes

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5 votes

Answer:

(-5+/-√(42) )/(8)

Explanation:

The quadratic formula is
x=(-b+/-√(b^2-4ac) )/(2a) . Here a=4, b=5, and c=-1.

Substitute and you'll have:

x=(-b+/-√(b^2-4ac) )/(2a) =(-5+/-√(5^2-4(4)(-1)) )/(2(4))=(-5+/-√(25+17) )/(8))

(-5+/-√(42) )/(8)

Arbey answered Aug 28, 2020

by Arbey

9.3k points

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