Question

plz do this question no 12 ​

Answer 1

Answer:

x =  - x² + x³

Step-by-step explanation:

the number are added x² - 4 ⇒x

according to the question

⇒ x² - 4 + (x) = x³ - 4

⇒ x² - 4 + x = x³ - 4

⇒ x² -  x³ + x = -4+ 4

⇒  x² -  x³ + x = 0

⇒ x =  - x² + x³

we can add this num to get x³ - 4

please mark as brainliest