Question

Use the distributive property to expand the following expression.

Answer 1

-12.8x - 20y + 8.4

Explanation:

To do this you just multiply everything by negative 4

so we have 3.2x*-4 + 5y*-4 - 2.1*-4

This gives us

-12.8x - 20y + 8.4

The last term is positive because we multplied a negative by another negative