Question

b) 4x²y (193xyz + 22x⁵ y⁷ z⁹ + 2x⁵y²z²) =
c) 15r3st² (11rs⁴t + 34rt3 + 72r⁴s²t⁵) =
d) 2r⁹t3 (68r3s²t + rs⁴ + 17t⁵ + 98r⁴s⁵t) =

e) 7a²b⁵c3d² (44a⁷b²c⁴d + 65a⁹b⁵c⁵ + abc⁹d) =

Ayuda

Answer 1

Nariz en ingles

No sé :'^