Question

9x²y-y²z+9x²z-yz² розкласти многочлен на множники

Answer 1

9x^2(y+z)-yz(y+z)=(y+z)(9x^2-yz)

Answer 2

$9x^{2} - y^{2}z+9 x^{2} z-y z^{2} =$$(9 x^{2} y+9 x^{2} z)-( y^{2}z+y z^{2} )=$$9 x^{2} (y+z)-yz(y+z)=$$(y+z)(9 x^{2} -yz)$