x^-12 = 4x-12
524824
2596370
2152917
492593
5192740
4305834
3x-1<8
(a+b)(a-b)^2(ab)^3+(a+b)
cos(x) = -0.3x
2201116
2046296
1899707
find the middle term in the expansion (x ^ 2 + 1/x) ^ 5
x(x-4)=(x-2)^3
coordinates of 3x+y=11 and y=4x-3