Nhân đa thức
a, 6x(2x-1)
b(5x-3)2/3x
c,-5x^3(3x^2-7)
d,-3x(5x^2-2x-1)
e(3x-x^2+6)2/3x^2
f,-5/6X(2/3x^4 +3/14x^3-2/3x^2
g,(4x-3)(x+2)
h,(5x+2)(-x^2+3x=1)
b(5x-3)2/3x
c,-5x^3(3x^2-7)
d,-3x(5x^2-2x-1)
e(3x-x^2+6)2/3x^2
f,-5/6X(2/3x^4 +3/14x^3-2/3x^2
g,(4x-3)(x+2)
h,(5x+2)(-x^2+3x=1)