Tolong di bantuu kawan” brainly​

Penjelasan dengan langkah-langkah beserta jawabannya :

a. 28 – 33 = 28 + (–33) = (–5)

b. (–8)³ – 7²

= (–8)³ + (-7)²

= (–512) + 49

= (–463)

Note :

(+) – (+) = (+) + (–) = (–)

(–) × (–) × (–) = (+) × (–) = (–)

(–) + (+) = (–)