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OpenStax, Elementary Algebra 2e §10.2 Solve Quadratic Equations by Completing the Square · Exercise 39 · Algebra · Quadratics

Solve Quadratic Equations by Completing the Square · Exercise 39

Rafi is designing a rectangular playground to have an area of 320 square feet. He wants one side of the playground to be four feet longer than the other side. Solve the equation $p^{2} + 4 p = 320$ for $p$ , the length of one side of the playground. What is the length of the other side?

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OpenStax, Elementary Algebra 2e · §10.2 Solve Quadratic Equations by Completing the Square · Exercise 39

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