Rút gọn (x-y)^2+4xy
(2x+y)^2-(y-2x)^2
(6x-2)^2+4(3x-1)(2+y)+(y+2)
PLEASE HELP ME

she will most likely have 33  

step-by-step explanation:

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.

answer: on graphs, the open and closed circles, or vertical asymptotes drawn as dashed lines us identify discontinuities.

as before, graphs and tables allow us to estimate at best.

when working with formulas, getting zero in the denominator indicates a point of discontinuity.

when working with piecewise-defined functions, check for discontinuities at the transition points where one piece ends and the next begins.

step-by-step explanation: