OpenStax, Algebra and Trigonometry 2e §2.4 Complex Numbers · Exercise 26 · Complex Numbers · Arithmetic of ℂ

Complex Numbers · Exercise 26

Evaluate the algebraic expressions.

If $y = x^{2} + 3 x + 5,$ evaluate $y$ given $x = 2 + i .$

~8 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §2.4 Complex Numbers · Exercise 26

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