Question

Add the following algebraic expressions using both horizontal and vertical methods. Did
you get the same answer with both methods.
1 x? - 2xy + 3y2; 5y2 + 3xy - 6x?
4a² +502 + ab ; 3ab ; 6a? – 262 ; 4b2 - 5ab
(iii) 2x +9y-7z ; 3y +z + 3x ; 2x - 4y- z
(iv) 2x2 - 6x +3; -3x? – X-4 ; 1+2x – 3x?​

Answer 1

Answer:

1)-5x²+1xy+8y²

2)10a²+7b²+4ab