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in your second line where did you get "abc" from?
The classic "add and subtract".in your second line where did you get "abc" from?
2 Qs that i need help with. Thank you in advance!Q1. Factorise:x^2+4y^2+x+2y-5xy-2
Q2. Factorise
ab(a-b)+bc(b-c)+ca(c-a)
I still dont seem to understand what is happening.. :/The classic "add and subtract".
I still dont seem to understand what is happening.. :/
What does +abc -abc equal to?
This made no sense on WolframAlpha until you explained it lol