Question

What should be added to x2-y+2xy to obtain x2+y+5xy

Answer 1

Answer:

2y+3xy.

Step-by-step explanation:

x2-y+2xy + x=x2+y+5xy

So, x=x2+y+5xy - x2-y+2xy

= x2+y+5xy

- (x2-y+2xy)

=2y+3xy

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