Question

simplify. \\(9u - u\\)

Explanation:

Step1: Factor out the common variable

$9u - u = u(9 - 1)$

Step2: Calculate the numerical difference

$u(9 - 1) = u \times 8$

Step3: Rewrite in standard form

$u \times 8 = 8u$

Answer:

$8u$