2x-1>0
2x_1>0
2^(3/2)
if e=3 then what does f equal to when f=2-2e
4x + 1.5y = 12.20. 5x + 2y = 15.40
4r(-p+q+r)-3p(p+q)-2q(p-q+r)
A = {x| x ∈ Z and 10 ≤ x ≤ 17}
x^2-2x+1=0
simplify 5^2*5^4*5^-4*5^-2
