Question

(i) xy + 8x2 + 6x + 5xy + 12xy - xy
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Answer 1

Answer:

$(17 + 6) \times + 8 \times 2$

this is a answer

Answer 2

Answer:

The required sum = 2xy+5xy+(−xy)

=2xy+5xy–xy

=(2x+5x–x)y

=6xy