Help plz

[proper cargo]

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[ember geyser]

Its a lot of rearranging

x + y = 1, so x = 1 - y
If you square everything, you get that x^2 = (1 - y)^2, so x^2 = 1 - 2y + y^2
sub in 1 = x + y back into that last equation and you get x^2 = x + y - 2y + y^2
x^2 = x - y + y^2
x^2 + y = x + y^2
x^2 + y = y^2 + x

[grand nova]

or just use dots and its done in like 2 lines

x^2-y^2=x-y so (x-y)(x+y)=x-y
so x+y=1 which is true

[vapid snow]

Is wrong ? 11