Question

-xy²-xy²-xy² solve it in equation​

Answer 1

$formula \: = (a +b + c) {}^{2}$

$= x {}^{2} + y {}^{2} + z {}^{2} + 2xy + 2yz + 2zx$

-xy²-xy²-xy²

-(xy) ² -(xy) ²-(xy) ²-2(xy)(xy) -2(xy)(xy) -2(xy)(xy)

-xy²-xy²-xy²-2(2x)(2y)-2(2x)(2y)-2(2x)(2y)