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Mathematics
Mathematics
Problem
If
A
=
40
A = 40
A
=
40
and
x
=
−
4
x = -4
x
=
−
4
. Use the formula below to find
k
k
k
.
A
=
2
x
2
+
k
x
A = 2x^2 + kx
A
=
2
x
2
+
k
x
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