1) √1-x = 1 - x = 2-x = 2x = -24
2) √x + 3 = √6 - x + 3 = 6 - 2x = x = 1.5
3) √x + 8 = x + x + 8 = x^2 + 4x + x^2 + 3x - 4 = (x - 1)(x + 4) = x = 1 or x = -4
4) √2x + 5 - √x + 6 = √2x + 5 = √x + 6 + √2x + 5 = √x + 2x + 25 + 2 5 √2x = x + 49 + 14√x - 24 * √x = 2x^2 - 576x = 57x(x - 576) = 57x = 0 or x = 576
1) √1-x =
1 - x = 2
-x = 2
x = -24
2) √x + 3 = √6 -
x + 3 = 6 -
2x =
x = 1.5
3) √x + 8 = x +
x + 8 = x^2 + 4x +
x^2 + 3x - 4 =
(x - 1)(x + 4) =
x = 1 or x = -4
4) √2x + 5 - √x + 6 =
√2x + 5 = √x + 6 +
√2x + 5 = √x +
2x + 25 + 2 5 √2x = x + 49 + 14√
x - 24 * √x = 2
x^2 - 576x = 57
x(x - 576) = 57
x = 0 or x = 576