Respuesta :

Answer:

87

Step-by-step explanation:

I assume your word form is like this:

(-8 * -10) - (7 * -1)

Lets multiply everything in the parenthesis first:

-(-80) -(-7)

Since two negatives cancel each other out, they are positive numbers being added up together

80 + 7

= 87

Hope this helps! Make sure to give me the brainliest answer because it will be greatly appreciated! Thank You!