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EasyQuadratics
OpenStax, Elementary Algebra 2e §10.3 Solve Quadratic Equations Using the Quadratic Formula · Exercise 1 · Algebra · Quadratics

Solve Quadratic Equations Using the Quadratic Formula · Exercise 1

Solve by using the Quadratic Formula.

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OpenStax, Elementary Algebra 2e · §10.3 Solve Quadratic Equations Using the Quadratic Formula · Exercise 1

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Checked against the answer in OpenStax, Elementary Algebra 2e.