Witch expression are equivalent to 4(4x + 2y + x - y) 4(5x + 3y) and 20x + 12y

4(5x+y) and 20x +4y

4(3x + y) and 12x + 4y

4(3x + 3y) and 12x + 12y​

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!

good luck on your studies! : )

david edward.

answer

step-by-step explanation: