OpenStax, Intermediate Algebra 2e §9.2 Solve Quadratic Equations by Completing the Square · Try It 20 · Algebra · Quadratics
Solve Quadratic Equations by Completing the Square · Try It 20
Solve by completing the square:
OpenStax, Intermediate Algebra 2e · §9.2 Solve Quadratic Equations by Completing the Square · Try It 20
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Checked against the answer in OpenStax, Intermediate Algebra 2e.