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

Answer Link

Otras preguntas

the sum of two numbers is 15 less than twice the first number their difference is 5 less than twice the second number. Find the number

a dollar bill has an area of 15.86 square inches. If a dollar bill is 2.6 inches long, how wide is it?

The English settlers were willing to fight for the land they wanted. What is the (effect)?

Which US president in the 80's-90's whose son also became president?

In meters, the sides of a triangle measure 14,18 and 12. The length of the longest side of a similar triangle is 21 meters. a. Find the ratio of similitude of

Help!! Would the sum of 5.7 cm and 6.2 cm need to be rounded? Why or why not?

Hot, dry air moves into the Southwest in summer from a(n) _________________________ air mass. a. continental polar b. continental tropicalc. maritime tropical

Is a trapezoid a square

A class survey showed 8 out of 25 students had plans to travel over spring break.how many student out of the 400 students in the entire school would you expect

Reptiles include which of the following? (1) crocodiles, (2) lizards, (3) snakes, (4) turtles. a. 1 and 2 b. 3 and 4 c. 1, 2, and 3 d. 1, 2, 3, and 4