Remember to check your solutions!

This is a common area of confusion when solving equations (I include myself in that); why was my solution wrong? Often it is due to using the squaring operation which introduces a new solution that is not valid for the original equation. So always remember to check at the end! :)
More on solving equations: • Solving Equations - Ba...
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[@tstico575]

Hello sir thank you for your help on RUclips watching some of your old videos to help me

[@user-uf4vs5dp8e]

Question:
Find the unknowns x and y that belong to Real numbers
2-=[ (x+yi) ÷ ²(1-i) ]+[ (x-yi) ÷ ²(1-i) ]
.But the )² is to the right of the 1-i

[@teaformulamaths]

I love to see these visually. Plot y=x and y=4+sqrt(2x) and they only cross once at x=8 😃

[@teaformulamaths]

Love to solve these problems sherlock 😃