Answer:
[tex]20a + 35u \to 20a + 35u[/tex]
Step-by-step explanation:
Given
[tex]5(4a+7u)[/tex]
[tex]20a+35u[/tex]
Required
Determine if they are equivalent
This implies that:
[tex]5(4a + 7u) \to 20a + 35u[/tex]
Open bracket
[tex]20a + 35u \to 20a + 35u[/tex]
SInce both sides of the equation are happy, then the expression is correct
