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Which rule shows the distributive property for numbers a, b and c?

Class 7Formulas and Rules from PatternsAlgebra

A $a + b = b + a$
B $a \times (b + c) = a \times b + a \times c$
C $a \times b = b \times a$
D $(a + b) + c = a + (b + c)$

Step-by-Step Solution

Multiplying a sum by a gives the same as multiplying each part by a and adding: a(b + c) = ab + ac.

Answer: B)

a \times (b + c) = a \times b + a \times c

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