clumsyrosie clumsyrosie

03-04-2021
Mathematics

contestada

Expand each of the following expression algebraic identities:
a) (7x+9)²
b) (1-3x)²
c) (5x+8) (5x-8)

Respuesta :

sandlanasandlana839 sandlanasandlana839

03-04-2021

Answer:

a)49x^2+126x+81

b)3x^2-6x+1

c)25x^2-64

Step-by-step explanation:

a)(7x+9)(7x+9)

49x^2+63x+63x+81

49x^2+126x+81

b)(1-3x)(1-3x)

3x^2-3x-3x+1

3x^2-6x+1

c)(5x+8)(5x-8)

25x^2-40x+40x-64

25x^2-64

Answer Link

Otras preguntas

what is the goals of the Safety Office of the Department of Transportation?

Which of these were included in the SALT I treaty? Check all that apply. a cap on nuclear arms a ban on nuclear arms an end to proxy wars a limit on launch site

There are 72 girls and 60 boys waiting to see A play in the school auditorium. They are seated in rows in the auditorium with the same number of students in eac

vein deposits are usally produced by?

what is the solution to the equation 2.4m − 1.2 = −0.6m? m = 0.4 m = 0.5 m = 1.5 m = 2

Small fragments of orbiting bodies that have landed on the surface of Earth are known as A. meteorites. B. uranium. C. zirconium. D. asteroids.

What is a loose union of independent states?

Simplify the following expression 5^2 - 4

I obey the law more often if there s a chance that i might get caught.

Read this line from Frankenstein by Mary Shelley: Her victory was announced by an unusual tranquility and gladness of soul which followed the relinquishing of m