Question

which calues of x and y will make the expression 3(-2x-y)^2 equal to 3?

Answer 1

i mean values

Answer 2

when (-2x-y) = 1 or -1

Answer 3

-1

Answer 4

Since (-2x-y) is squared in the expression, it can be -1 or +1 and the expression will equal 3.

Answer 5

3(-2x-y)^2 = 3
divide both sides by 3
(-2x-y)^2 = 1
take square root on both sides
(-2x-y) = sqrt(1) = -1 or +1
-2x - y = -1 or -2x - y = 1