(Grade 9 - Quarter 1) SOLVING QUADRATIC EQUATION BY EXTRACTING SQUARE ROOT

[@michaelhharmon3519]

Interesting

[@DoggoDog-kt6bx]

I'm still confused about the "i"part, why do you need the "i" if the 100 can be simplified???

[@hernandezrobinsonr]

9 should be positive on the solution of problem number 5