1) (y+4)*(y-2)y^2 - 2y + 4y - 8y^2 + 2y - 8
2) (3x-5)*(2x+9)6x^2 + 27x - 10x - 456x^2 + 17x - 45
3) (m+1)*(m^2 - m + 3)m^3 - m^2 + 3m + m^2 - m + 3m^3 + 3m + 3
1) (y+4)*(y-2)
y^2 - 2y + 4y - 8
y^2 + 2y - 8
2) (3x-5)*(2x+9)
6x^2 + 27x - 10x - 45
6x^2 + 17x - 45
3) (m+1)*(m^2 - m + 3)
m^3 - m^2 + 3m + m^2 - m + 3
m^3 + 3m + 3