Question

use the area model to multiply 4(10 + 5u). first, find the partial products. now, write the product. 4(10 + 5u) =

Explanation:

Step1: Find first partial product

Multiply 4 by 10: $4\times10 = 40$

Step2: Find second partial product

Multiply 4 by 5u: $4\times5u=20u$

Step3: Find the final product

Add the partial - products: $40 + 20u$

Answer:

$40+20u$