grey59z grey59z

12-05-2020
Mathematics

contestada

What is (x2 – 3x - 10) = (x + 2)?

A. x-5
B. x+2
C. x-1
D. -5x-10

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

12-05-2020

Answer:

x=6

Step-by-step explanation:

(x^2 – 3x - 10) = (x + 2)

Factor the term on the left

(x-5) (x+2) =x+2

Divide each side by x+2

x-5 = 1

Add 5 to each side

x-5+5 =1+5

x=6

Answer Link

Otras preguntas

“All officers or persons in the military or naval service of the United States are prohibited from employing any of the forces under their respective commands f

A 25 newton force applied on an object moves it 50 meters. The angle between the force and displacement is 40.0°. What is the value of work being done on the ob

Which was NOT a measure taken by the North or South during the Civil War? A The prohibition of anti-slavery literature in the South B The suspension of the pr

If a polynomial function f(x) has roots –8, 1, and 6i, what must also be a root of f(x)?

State whether State whether the transformation appears to be a rigid motion. Explainthe transformation appears to be a rigid motion. Explain

A serving portion is usually the equivalent to one serving per package or container. Please select the best answer from the choices provided. T F

Which sentence from the excerpt best shows why Roosevelt believes these "basic things" are important to the United States? (4 points) I have called for persona

When Atticus speaks of people being "trash," he's referring to _____. their appearance the quality of their character their lineage their manners

Food usually goes down the trachea. True False

Events A and B are mutually exclusive, with P(A) = 0.65 and P(B) = 0.14. What is P(A or B)? A. 0.091 B. 0.215 C. 0.51 D. 0.79