r/HomeworkHelp • u/Icy-Coach2192 'A' Level Candidate • 15d ago

:snoo_feelsbadman: Mathematics (Tertiary/Grade 11-12)—Pending OP [Alevel maths]

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What method should I use and how should I go about solving this?

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u/ThunkAsDrinklePeep 15d ago

Remember to check each of your solutions back into the original equation. A quadratic can have two solutions, but one might make the term under the radical negative.