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Consider the equation given below and solve for x by using quadratic formula.

-5x² - 4x + 2 = 0.
x =

User Dxtr
by
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1 Answer

1 vote

Answer:

Explanation:

The quadratic formula = (- b ± √b² - 4ac) / 2a

Plug in values:

((4) ± √(-4)² - 4(-5)(2)) / 2(-5)

Simplify:

((4) ± √(-4)² - 4(-10)) / 2(-5)

((4) ± √16 + 40) / 2(-5)

((4) ± √56) / -10

x = -2/5 ± (-1/10)√56

x ≈ -1.1483 and 0.3483

Hope this helps!

User Satya Ranjan Sahoo
by
8.5k points

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