A) 10a=a10a - a = 09a = 0a = 0
B) 2x = x + 12x - x = 1x = 1
C) x + 2 = 2x2 - x = x2 = 2xx = 1
D) y^2 = 25y = ±√25y = ±5
E) x^2 = xx^2 - x = 0x(x - 1) = 0x = 0, x = 1
A) 10a=a
10a - a = 0
9a = 0
a = 0
B) 2x = x + 1
2x - x = 1
x = 1
C) x + 2 = 2x
2 - x = x
2 = 2x
x = 1
D) y^2 = 25
y = ±√25
y = ±5
E) x^2 = x
x^2 - x = 0
x(x - 1) = 0
x = 0, x = 1