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Mathematics
Mathematics
Problem
A number
x
x
x
is subtracted from two times its square and the result is 45. An equation to find the value of
x
x
x
would be: a. A:
x
2
−
2
x
=
45
x^2 - 2x = 45
x
2
−
2
x
=
45
b. B:
2
x
−
x
2
=
45
2x - x^2 = 45
2
x
−
x
2
=
45
c. C:
2
x
2
−
x
=
45
2x^2 - x = 45
2
x
2
−
x
=
45
d. D:
2
x
2
−
2
x
=
45
2x^2 - 2x = 45
2
x
2
−
2
x
=
45
e. E:
x
−
2
x
2
=
45
x - 2x^2 = 45
x
−
2
x
2
=
45
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