Question

Karin wants to use the distributive property to mentally find the value of 19⋅42+19⋅58. Which expression can she use?

Answer 1

Answer : The expression she use can be, $19\times (42+58)$

Step-by-step explanation :

Distributive property Law : It says that multiplying a number by the group of numbers added together is the same as doing each multiplication separately.  

For example:

3 × (2 + 4) = 3×2 + 3×4

As we are given the expression:

$19\times 42+19\times 58$

$\Rightarrow 19\times (42+58)$

Thus, the expression she use can be, $19\times (42+58)$

Answer 2

Answer:

19 x (42 + 58)

Step-by-step explanation:

The common term is 19