ghxstpm ghxstpm

03-04-2018
Mathematics

contestada

select the expression that is equivalent to x^2-4

A.(x-2)^2

B.(x-2)(x+2)

C.x^2+2x+4

D.x^2-2x,4

Respuesta :

28-12-2018

[tex]x^2-4=x^2-2^2=(x-2)(x+2)\\\\Use\\\\(a-b)(a+b)=a^2-b^2\\\\Answer:\ \boxed{B.\ (x-2)(x+2)}[/tex]

Answer Link

Otras preguntas

The ________ stage of the group development process is complete when members begin to think of themselves as part of a group.

________ is a defense mechanism that involves directing unacceptable impulses at a less threatening target.

The mean free path is the average distance traveled by a particle between collisions with other particles. Calculate the mean free path of air at room temperat

Quadrilateral ABCD and quadrilateral PQRS are similar. The lengths of AB and CD are 15 units each, and the lengths of AD and BC are 10 units each. Use the given

Lin drew a triangle and dilation of the triangle with scale factor[tex] \frac{1}{2} [/tex]a. What is the center of the dilation? Explain how you know.b. Which t

3 а. A = 6 cm Calculate the diameter of the circle.

2. A train travels with a constant speed of 56 miles per hour. How far can it travel in 1/2 hour?

In the context of the passage, what are the effects of prejudice? How did prejudice drive the opinions and actions of those surrounding the Scottsboro Boys from

George and Moira's garbage disposal is not working. Moira finds an online video explaining how to fix it. She tells George she understands what to do and will t

Shyla has two children, Amar, age 8, and Darsh, age 10. Amar and Darsh attended daycare after school. Shyla paid $14,000 in child care expenses in 2021. Her AGI