1.) The constant term in the equation 3x³-19x²+ 33x -9 = 0
2.) The leading coefficient of 7x⁴-5x²+ 4 = 0
3.) The roots of ( x-6) (x+3)(x-5)=0
4.) The degree of a polynomials equation (y-2)³(y + 4)²
5.) The leading coefficient of x²+5 = 0.​