GCE O Level E-Maths: AlgebraicFraction
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This video is a response to GCE O Level E-Maths: Algebraic Expansion : Application of Golden Rules
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@alwaysLovelysg Oh thanks a lot! I thought the ^2 was separately for x and 3. XD Thanks for replying AL! :D
MajorYT 1 year ago
@MajorYT (x+3)^2 = (x+3)(x+3)
Go head and expand it yourself.
The correct ans is x^2+6x +9
alwaysLovelysg 1 year ago
@alwaysLovelysg Guess not. I thought (x+3)^2 = x^2+9 because 3^2. Did you use the golden rule to expand? o_O
MajorYT 1 year ago
@MajorYT
You mean (x+3)^2?
It's equal to x^2+2(x)(3) +3^2 = x^2+6x +9
There's nothing wrong with this expansion, is there?
alwaysLovelysg 1 year ago