OpenStax, Intermediate Algebra 2e §8.8 Use the Complex Number System · Try It 11 · Complex Numbers · Arithmetic of ℂ

Use the Complex Number System · Try It 11

Multiply using the Binomial Squares pattern: $(- 2 - 5 i)^{2} .$

~5 minWritten answer · compare with the solution

OpenStax, Intermediate Algebra 2e · §8.8 Use the Complex Number System · Try It 11

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.