Sagot :
✏️SOLUTIONS:
multiply the leading coefficient: (-4) (3) = -12
add the degrees of the same variable:
x^5 + x^3 = x^8
y^2 + y^3 = y^5
z^2 + z^4 = z^6
then combine: -12x^8y^5z^6
multiply the leading coefficient: (-4) (3) = -12
add the degrees of the same variable:
x^5 + x^3 = x^8
y^2 + y^3 = y^5
z^2 + z^4 = z^6
then combine: -12x^8y^5z^6