$\pi$ x²-5x-36÷x+4=
1+1=?
3/2(p+2q)
solve the simultaneous equation
y=2x^2
y=3x+14
6 / 2 (1+2) = ?
5/0.25
give me 4 irrational numbers between 2/7 and 1/3
4a - 3b - 2a - 4b
simplify: 7 to the power of 6 * (7 to the power of -2)4 / 7 to the power of -3
if u=x^3*y*e^z find dou/doy