y0' = 2y0 -> y0 = C * e^(2x) -> y = C(x) * e^(2x)
y' = C'(x) * e^(2x) + 2C(x) * e^(2x) = 2C(x) * e^(2x) + e^x - x
C'(x) = (e^x - x)/e^(2x) = e^(-x) - x*e^(-2x)
C(x) = C - e^(-x) + x*e^(-2x)/2 + e^(-2x)/4
y = C * e^(2x) - e^x + x/2 + 1/4
y(0) = C - 1 + 1/4 = 1/4 -> C = 1
y = e^(2x) - e^x + x/2 + 1/4
y' = 2e^(2x) - e^x + 1/2 = 2*(e^(2x) - e^x + x/2 + 1/4) + e^x - x = 2y + e^x - x
y0' = 2y0 -> y0 = C * e^(2x) -> y = C(x) * e^(2x)
y' = C'(x) * e^(2x) + 2C(x) * e^(2x) = 2C(x) * e^(2x) + e^x - x
C'(x) = (e^x - x)/e^(2x) = e^(-x) - x*e^(-2x)
C(x) = C - e^(-x) + x*e^(-2x)/2 + e^(-2x)/4
y = C * e^(2x) - e^x + x/2 + 1/4
y(0) = C - 1 + 1/4 = 1/4 -> C = 1
y = e^(2x) - e^x + x/2 + 1/4
y' = 2e^(2x) - e^x + 1/2 = 2*(e^(2x) - e^x + x/2 + 1/4) + e^x - x = 2y + e^x - x