heavenfranklin24
heavenfranklin24 heavenfranklin24
  • 03-06-2021
  • Mathematics
contestada

Which equation is an identity?
a.i (x+i)=xi - 1
b. i(x-2i) = xi - 2
c. (4x-7)(4x+1)= 15
d. (3x + (3x +21) = 7x +91 ​

Respuesta :

erbarek
erbarek erbarek
  • 03-06-2021

Answer:

D

Step-by-step explanation:

A and B are not, and C doesnt work so D

Answer Link

Otras preguntas

The term Aryan originally referred to a people group in what region?
Many scientists are convinced that the growing human population is contributing to the gradual warming trend that is occuring on planet Earth. According to the
Sickle-cell anemia is a genetic disorder of the blood in which the shape of red blood cells is distorted, resulting in a variety of health problems. The allele
70% of a number is 98. What is 90% of that same number? A. 63 B. 68.6 C. 88.2 D. 126
True or False (correct if false): In return for free land, settlers in Texas had to agree to support Mexican independence from Spain.
The organelle responsible for providing energy to the cell is the Vacuole Mitochondria Golgi Apparatus Nucleus
c *c-5c-24=0 Solve this quadratic equation by graphing.. But first how do you find the ordinates
n+9/4n+36 simplify this
a store has display will have six rows with 12 containers in each row if 39 containers has been set up so far explain how to find the number of containers that
a 24 foot tall tree cast a 30 foot long. a 4 foot tall child is standing nearby how long is the child's shadow