2
x=3
If x squared -10 = 0 then x = the square root of 10
(x, y) = (-3, -3) or (3, 3)
5 or 12
2
x2 - x = 20 x = 5
x = plus or minus 6.
x=3
If x squared -10 = 0 then x = the square root of 10
x = ? 42 = x squared minus x
(x, y) = (-3, -3) or (3, 3)
5 or 12
15.
The value of x is 7
x = 2.1374586088176875 x = -1.6374586088176875
x^2 +9 =x^2 -9 9=-9 No solution