Question 7

Solving Quadratic Equations with Complex Solutions

Solve the quadratic equation 5x² + 40x + 160 = 0 by using the Quadratic Formula.

-b-√b² - 4ac

Let x₁ =

X1 =

2a

Exact Form

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Note: If only one solution exists, x2 will equal DNE

5x² + 40x + 160 = 0

2

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and x2 =

-b+ √b² - 4ac

2a

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x2 =

Exact Form