Jaarbis63viz
Answered

Given that x³-512 = (x-8) (x²+k+64), find an expression for k.

○ 8x
○ -8x
○ -16x
○ -64x​

Sagot :

Privyelzviz

Answer:

8x

Step-by-step explanation:

x³ - 512

(x - 8)(x² + 8x + 64)

= x³ + 8x² + 64x - 8x² - 64x - 512

= x³ - 512