Answer:
[tex]54x + 42[/tex]
Step-by-step explanation:
To expand this expression, we use the rule
[tex]x(y + z) = xy + xz[/tex]
Therefore,
[tex]6(9x + 7)[/tex]
is equal to
[tex]6 \times 9x + 6 \times 7[/tex]
which simplified, becomes
[tex]54x + 42[/tex]
