Question

simplifying variable expressions with distribution
simplify this expression.
3(1 + 7x) + 6

Explanation:

Step1: Apply distributive property

$$3(1 + 7x)=3\times1+3\times7x=3 + 21x$$

Step2: Combine like - terms

The original expression \(3(1 + 7x)+6\) becomes \((3 + 21x)+6\). Combine the constant terms \(3\) and \(6\): \(3+6+21x\)

Answer:

\(21x + 9\)