Question

$\frac{1}{4}xy+2xy+\frac{3}{4}xy$+ ___ = $0$

Answer 1

Let the term to be filled in the blank be $Z$.

Then, $\frac{1}{4}xy+2xy+\frac{3}{4}xy+Z$ = $0$

$⟹$ $Z=0-\frac{1}{4}xy-2xy-\frac{3}{4}xy$

$⟹$ $Z=0+(-\frac{1}{4}-2-\frac{3}{4})xy$

$⟹$ $Z=-3xy$