1562470 1562470

20-04-2020
Mathematics

contestada

If a^3+216 = (a+6)(a^2+ka+36), what does k equal?

Respuesta :

catherinat13 catherinat13

20-04-2020

Answer:

k = -6

Step-by-step explanation:

1. Switch sides

2. Divide both sides by a + 6

3. Subtract a2 both sides

4. Simplify

5. Subtract 36 from both sides

6. Simplify

7. Divide both sides by a

8. Simplify

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