Question

Evaluate the following expression if a = -6, b = 2/3 and c = -5.5 : -ab - ac

Answer 1

-29

Explanation:

-ab-ac

= -(-6)(2/3)-(-6)(-5.5)

=4-33

= -29

Answer 2

-29

Explanation:

-ab - ac

a = -6, b = 2/3 and c = -5.5

Substitute these values into the equation

- (-6) * 2/3 - (-6) (-5.5)

Negative negatives are positive

6 *2/3 +6(-5.5)

Multiply and divide

4 -33

Add and subtract

-29