clumsyrosie
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 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

Please help for brainliest!!:)
Without solving, classify the following system. EXPLAIN your answer in complete sentences. The equations are y = (2/3)w-1 and -2w+3y=-3
Extended Response: Evaluate how clearly you think Hansberry explains the way her feelings about summer have changed. Does she adequately support her main idea w
helllpp pleaseeeeeee​
equation used: Y=mx+b 1.) through: (2, -2) slope = -5/6 -2=y 2=x slope=m 2.) through: (-2, 3), slope = -5/7 3=y -2=x slope=m
A person pushes on a box with a force of 500N. If the box does not move, what is the force of static friction on the box? A. 100 N B. 200 N C. 500 N D. Cannot b
What are 3 hotels you can stay at in Zion National Park? Help this is for my project
What time is trick or treating in fort wayne indiana?
Members of a softball team raised $1405.25 to go to a tournament. They rented a bus for $822.50 and budgeted $27.75 per player for meals. Write and solve an equ
water pollution ________ salt water levels in the sea. A. rearranges B. decreases C. maintains D. increases​