Which property of real numbers allows us to expand as ?

MATHEMATICS · Single correct · AoPS · Mathematics · Follow the Rules · Follow the Rules

Problem

Which property of real numbers allows us to expand 7x(2x2−5x+3)7x(2x^{2}-5x+3) as 14x3−35x2+21x14x^{3}-35x^{2}+21x? (a) Commutative property\text{Commutative property} (b) Distributive property\text{Distributive property} (c) Associative property\text{Associative property} (d) Product of powers law\text{Product of powers law}

Related theory

Browse the problem library