OpenStax, Elementary Algebra 2e §1.2 Use the Language of Algebra · Try It 25 · Algebra · Expressions

Use the Language of Algebra · Try It 25

Simplify: $3 x^{2} + 7 x + 9 + 7 x^{2} + 9 x + 8.$

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OpenStax, Elementary Algebra 2e · §1.2 Use the Language of Algebra · Try It 25

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